399254520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:494

約数の個数: 256

約数和(自身を含む): 1473085440

約数和(自身を除く): 1073830920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 73, 84, 85, 102, 105, 119, 120, 136, 140, 146, 168, 170, 204, 210, 219, 238, 255, 280, 292, 340, 357, 365, 383, 408, 420, 438, 476, 510, 511, 584, 595, 680, 714, 730, 766, 840, 876, 952, 1020, 1022, 1095, 1149, 1190, 1241, 1428, 1460, 1532, 1533, 1752, 1785, 1915, 2040, 2044, 2190, 2298, 2380, 2482, 2555, 2681, 2856, 2920, 3064, 3066, 3570, 3723, 3830, 4088, 4380, 4596, 4760, 4964, 5110, 5362, 5745, 6132, 6205, 6511, 7140, 7446, 7660, 7665, 8043, 8687, 8760, 9192, 9928, 10220, 10724, 11490, 12264, 12410, 13022, 13405, 14280, 14892, 15320, 15330, 16086, 17374, 18615, 19533, 20440, 21448, 22980, 24820, 26044, 26061, 26810, 27959, 29784, 30660, 32172, 32555, 34748, 37230, 39066, 40215, 43435, 45577, 45960, 49640, 52088, 52122, 53620, 55918, 61320, 64344, 65110, 69496, 74460, 78132, 80430, 83877, 86870, 91154, 97665, 104244, 107240, 111836, 130220, 130305, 136731, 139795, 148920, 156264, 160860, 167754, 173740, 182308, 195330, 195713, 208488, 223672, 227885, 260440, 260610, 273462, 279590, 321720, 335508, 347480, 364616, 390660, 391426, 419385, 455770, 475303, 521220, 546924, 559180, 587139, 671016, 683655, 781320, 782852, 838770, 911540, 950606, 978565, 1042440, 1093848, 1118360, 1174278, 1367310, 1425909, 1565704, 1677540, 1823080, 1901212, 1957130, 2348556, 2376515, 2734620, 2851818, 2935695, 3327121, 3355080, 3802424, 3914260, 4697112, 4753030, 5469240, 5703636, 5871390, 6654242, 7129545, 7828520, 9506060, 9981363, 11407272, 11742780, 13308484, 14259090, 16635605, 19012120, 19962726, 23485560, 26616968, 28518180, 33271210, 39925452, 49906815, 57036360, 66542420, 79850904, 99813630, 133084840, 199627260, 399254520]

約数ペア:

[(1, 399254520), (2, 199627260), (3, 133084840), (4, 99813630), (5, 79850904), (6, 66542420), (7, 57036360), (8, 49906815), (10, 39925452), (12, 33271210), (14, 28518180), (15, 26616968), (17, 23485560), (20, 19962726), (21, 19012120), (24, 16635605), (28, 14259090), (30, 13308484), (34, 11742780), (35, 11407272), (40, 9981363), (42, 9506060), (51, 7828520), (56, 7129545), (60, 6654242), (68, 5871390), (70, 5703636), (73, 5469240), (84, 4753030), (85, 4697112), (102, 3914260), (105, 3802424), (119, 3355080), (120, 3327121), (136, 2935695), (140, 2851818), (146, 2734620), (168, 2376515), (170, 2348556), (204, 1957130), (210, 1901212), (219, 1823080), (238, 1677540), (255, 1565704), (280, 1425909), (292, 1367310), (340, 1174278), (357, 1118360), (365, 1093848), (383, 1042440), (408, 978565), (420, 950606), (438, 911540), (476, 838770), (510, 782852), (511, 781320), (584, 683655), (595, 671016), (680, 587139), (714, 559180), (730, 546924), (766, 521220), (840, 475303), (876, 455770), (952, 419385), (1020, 391426), (1022, 390660), (1095, 364616), (1149, 347480), (1190, 335508), (1241, 321720), (1428, 279590), (1460, 273462), (1532, 260610), (1533, 260440), (1752, 227885), (1785, 223672), (1915, 208488), (2040, 195713), (2044, 195330), (2190, 182308), (2298, 173740), (2380, 167754), (2482, 160860), (2555, 156264), (2681, 148920), (2856, 139795), (2920, 136731), (3064, 130305), (3066, 130220), (3570, 111836), (3723, 107240), (3830, 104244), (4088, 97665), (4380, 91154), (4596, 86870), (4760, 83877), (4964, 80430), (5110, 78132), (5362, 74460), (5745, 69496), (6132, 65110), (6205, 64344), (6511, 61320), (7140, 55918), (7446, 53620), (7660, 52122), (7665, 52088), (8043, 49640), (8687, 45960), (8760, 45577), (9192, 43435), (9928, 40215), (10220, 39066), (10724, 37230), (11490, 34748), (12264, 32555), (12410, 32172), (13022, 30660), (13405, 29784), (14280, 27959), (14892, 26810), (15320, 26061), (15330, 26044), (16086, 24820), (17374, 22980), (18615, 21448), (19533, 20440)]