1998454720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{3251}}^1$

素因数の和:3398

約数の個数: 112

約数和(自身を含む): 5084905248

約数和(自身を除く): 3086450528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 113, 136, 160, 170, 226, 272, 320, 340, 452, 544, 565, 680, 904, 1088, 1130, 1360, 1808, 1921, 2260, 2720, 3251, 3616, 3842, 4520, 5440, 6502, 7232, 7684, 9040, 9605, 13004, 15368, 16255, 18080, 19210, 26008, 30736, 32510, 36160, 38420, 52016, 55267, 61472, 65020, 76840, 104032, 110534, 122944, 130040, 153680, 208064, 221068, 260080, 276335, 307360, 367363, 442136, 520160, 552670, 614720, 734726, 884272, 1040320, 1105340, 1469452, 1768544, 1836815, 2210680, 2938904, 3537088, 3673630, 4421360, 5877808, 6245171, 7347260, 8842720, 11755616, 12490342, 14694520, 17685440, 23511232, 24980684, 29389040, 31225855, 49961368, 58778080, 62451710, 99922736, 117556160, 124903420, 199845472, 249806840, 399690944, 499613680, 999227360, 1998454720]

約数ペア:

[(1, 1998454720), (2, 999227360), (4, 499613680), (5, 399690944), (8, 249806840), (10, 199845472), (16, 124903420), (17, 117556160), (20, 99922736), (32, 62451710), (34, 58778080), (40, 49961368), (64, 31225855), (68, 29389040), (80, 24980684), (85, 23511232), (113, 17685440), (136, 14694520), (160, 12490342), (170, 11755616), (226, 8842720), (272, 7347260), (320, 6245171), (340, 5877808), (452, 4421360), (544, 3673630), (565, 3537088), (680, 2938904), (904, 2210680), (1088, 1836815), (1130, 1768544), (1360, 1469452), (1808, 1105340), (1921, 1040320), (2260, 884272), (2720, 734726), (3251, 614720), (3616, 552670), (3842, 520160), (4520, 442136), (5440, 367363), (6502, 307360), (7232, 276335), (7684, 260080), (9040, 221068), (9605, 208064), (13004, 153680), (15368, 130040), (16255, 122944), (18080, 110534), (19210, 104032), (26008, 76840), (30736, 65020), (32510, 61472), (36160, 55267), (38420, 52016)]