398429640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:956

約数の個数: 192

約数和(自身を含む): 1488614400

約数和(自身を除く): 1090184760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 223, 252, 280, 315, 360, 420, 446, 504, 630, 669, 709, 840, 892, 1115, 1260, 1338, 1418, 1561, 1784, 2007, 2127, 2230, 2520, 2676, 2836, 3122, 3345, 3545, 4014, 4254, 4460, 4683, 4963, 5352, 5672, 6244, 6381, 6690, 7090, 7805, 8028, 8508, 8920, 9366, 9926, 10035, 10635, 12488, 12762, 13380, 14049, 14180, 14889, 15610, 16056, 17016, 18732, 19852, 20070, 21270, 23415, 24815, 25524, 26760, 28098, 28360, 29778, 31220, 31905, 37464, 39704, 40140, 42540, 44667, 46830, 49630, 51048, 56196, 59556, 62440, 63810, 70245, 74445, 80280, 85080, 89334, 93660, 99260, 112392, 119112, 127620, 140490, 148890, 158107, 178668, 187320, 198520, 223335, 255240, 280980, 297780, 316214, 357336, 446670, 474321, 561960, 595560, 632428, 790535, 893340, 948642, 1106749, 1264856, 1422963, 1581070, 1786680, 1897284, 2213498, 2371605, 2845926, 3162140, 3320247, 3794568, 4426996, 4743210, 5533745, 5691852, 6324280, 6640494, 7114815, 8853992, 9486420, 9960741, 11067490, 11383704, 13280988, 14229630, 16601235, 18972840, 19921482, 22134980, 26561976, 28459260, 33202470, 39842964, 44269960, 49803705, 56918520, 66404940, 79685928, 99607410, 132809880, 199214820, 398429640]

約数ペア:

[(1, 398429640), (2, 199214820), (3, 132809880), (4, 99607410), (5, 79685928), (6, 66404940), (7, 56918520), (8, 49803705), (9, 44269960), (10, 39842964), (12, 33202470), (14, 28459260), (15, 26561976), (18, 22134980), (20, 19921482), (21, 18972840), (24, 16601235), (28, 14229630), (30, 13280988), (35, 11383704), (36, 11067490), (40, 9960741), (42, 9486420), (45, 8853992), (56, 7114815), (60, 6640494), (63, 6324280), (70, 5691852), (72, 5533745), (84, 4743210), (90, 4426996), (105, 3794568), (120, 3320247), (126, 3162140), (140, 2845926), (168, 2371605), (180, 2213498), (210, 1897284), (223, 1786680), (252, 1581070), (280, 1422963), (315, 1264856), (360, 1106749), (420, 948642), (446, 893340), (504, 790535), (630, 632428), (669, 595560), (709, 561960), (840, 474321), (892, 446670), (1115, 357336), (1260, 316214), (1338, 297780), (1418, 280980), (1561, 255240), (1784, 223335), (2007, 198520), (2127, 187320), (2230, 178668), (2520, 158107), (2676, 148890), (2836, 140490), (3122, 127620), (3345, 119112), (3545, 112392), (4014, 99260), (4254, 93660), (4460, 89334), (4683, 85080), (4963, 80280), (5352, 74445), (5672, 70245), (6244, 63810), (6381, 62440), (6690, 59556), (7090, 56196), (7805, 51048), (8028, 49630), (8508, 46830), (8920, 44667), (9366, 42540), (9926, 40140), (10035, 39704), (10635, 37464), (12488, 31905), (12762, 31220), (13380, 29778), (14049, 28360), (14180, 28098), (14889, 26760), (15610, 25524), (16056, 24815), (17016, 23415), (18732, 21270), (19852, 20070)]