398307960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1830

約数の個数: 192

約数和(自身を含む): 1408492800

約数和(自身を除く): 1010184840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 51, 60, 68, 72, 74, 85, 90, 102, 111, 120, 136, 148, 153, 170, 180, 185, 204, 222, 255, 296, 306, 333, 340, 360, 370, 408, 444, 510, 555, 612, 629, 666, 680, 740, 765, 888, 1020, 1110, 1224, 1258, 1332, 1480, 1530, 1665, 1759, 1887, 2040, 2220, 2516, 2664, 3060, 3145, 3330, 3518, 3774, 4440, 5032, 5277, 5661, 6120, 6290, 6660, 7036, 7548, 8795, 9435, 10554, 11322, 12580, 13320, 14072, 15096, 15831, 17590, 18870, 21108, 22644, 25160, 26385, 28305, 29903, 31662, 35180, 37740, 42216, 45288, 52770, 56610, 59806, 63324, 65083, 70360, 75480, 79155, 89709, 105540, 113220, 119612, 126648, 130166, 149515, 158310, 179418, 195249, 211080, 226440, 239224, 260332, 269127, 299030, 316620, 325415, 358836, 390498, 448545, 520664, 538254, 585747, 598060, 633240, 650830, 717672, 780996, 897090, 976245, 1076508, 1106411, 1171494, 1196120, 1301660, 1345635, 1561992, 1794180, 1952490, 2153016, 2212822, 2342988, 2603320, 2691270, 2928735, 3319233, 3588360, 3904980, 4425644, 4685976, 5382540, 5532055, 5857470, 6638466, 7809960, 8851288, 9957699, 10765080, 11064110, 11714940, 13276932, 16596165, 19915398, 22128220, 23429880, 26553864, 33192330, 39830796, 44256440, 49788495, 66384660, 79661592, 99576990, 132769320, 199153980, 398307960]

約数ペア:

[(1, 398307960), (2, 199153980), (3, 132769320), (4, 99576990), (5, 79661592), (6, 66384660), (8, 49788495), (9, 44256440), (10, 39830796), (12, 33192330), (15, 26553864), (17, 23429880), (18, 22128220), (20, 19915398), (24, 16596165), (30, 13276932), (34, 11714940), (36, 11064110), (37, 10765080), (40, 9957699), (45, 8851288), (51, 7809960), (60, 6638466), (68, 5857470), (72, 5532055), (74, 5382540), (85, 4685976), (90, 4425644), (102, 3904980), (111, 3588360), (120, 3319233), (136, 2928735), (148, 2691270), (153, 2603320), (170, 2342988), (180, 2212822), (185, 2153016), (204, 1952490), (222, 1794180), (255, 1561992), (296, 1345635), (306, 1301660), (333, 1196120), (340, 1171494), (360, 1106411), (370, 1076508), (408, 976245), (444, 897090), (510, 780996), (555, 717672), (612, 650830), (629, 633240), (666, 598060), (680, 585747), (740, 538254), (765, 520664), (888, 448545), (1020, 390498), (1110, 358836), (1224, 325415), (1258, 316620), (1332, 299030), (1480, 269127), (1530, 260332), (1665, 239224), (1759, 226440), (1887, 211080), (2040, 195249), (2220, 179418), (2516, 158310), (2664, 149515), (3060, 130166), (3145, 126648), (3330, 119612), (3518, 113220), (3774, 105540), (4440, 89709), (5032, 79155), (5277, 75480), (5661, 70360), (6120, 65083), (6290, 63324), (6660, 59806), (7036, 56610), (7548, 52770), (8795, 45288), (9435, 42216), (10554, 37740), (11322, 35180), (12580, 31662), (13320, 29903), (14072, 28305), (15096, 26385), (15831, 25160), (17590, 22644), (18870, 21108)]