454439920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:899

約数の個数: 160

約数和(自身を含む): 1254937536

約数和(自身を除く): 800497616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 80, 85, 88, 110, 136, 148, 170, 176, 185, 187, 220, 272, 296, 340, 370, 374, 407, 440, 592, 629, 680, 740, 748, 814, 821, 880, 935, 1258, 1360, 1480, 1496, 1628, 1642, 1870, 2035, 2516, 2960, 2992, 3145, 3256, 3284, 3740, 4070, 4105, 5032, 6290, 6512, 6568, 6919, 7480, 8140, 8210, 9031, 10064, 12580, 13136, 13838, 13957, 14960, 16280, 16420, 18062, 25160, 27676, 27914, 30377, 32560, 32840, 34595, 36124, 45155, 50320, 55352, 55828, 60754, 65680, 69190, 69785, 72248, 90310, 110704, 111656, 121508, 138380, 139570, 144496, 151885, 153527, 180620, 223312, 243016, 276760, 279140, 303770, 307054, 334147, 361240, 486032, 516409, 553520, 558280, 607540, 614108, 668294, 722480, 767635, 1032818, 1116560, 1215080, 1228216, 1336588, 1535270, 1670735, 2065636, 2430160, 2456432, 2582045, 2673176, 3070540, 3341470, 4131272, 5164090, 5346352, 5680499, 6141080, 6682940, 8262544, 10328180, 11360998, 12282160, 13365880, 20656360, 22721996, 26731760, 28402495, 41312720, 45443992, 56804990, 90887984, 113609980, 227219960, 454439920]

約数ペア:

[(1, 454439920), (2, 227219960), (4, 113609980), (5, 90887984), (8, 56804990), (10, 45443992), (11, 41312720), (16, 28402495), (17, 26731760), (20, 22721996), (22, 20656360), (34, 13365880), (37, 12282160), (40, 11360998), (44, 10328180), (55, 8262544), (68, 6682940), (74, 6141080), (80, 5680499), (85, 5346352), (88, 5164090), (110, 4131272), (136, 3341470), (148, 3070540), (170, 2673176), (176, 2582045), (185, 2456432), (187, 2430160), (220, 2065636), (272, 1670735), (296, 1535270), (340, 1336588), (370, 1228216), (374, 1215080), (407, 1116560), (440, 1032818), (592, 767635), (629, 722480), (680, 668294), (740, 614108), (748, 607540), (814, 558280), (821, 553520), (880, 516409), (935, 486032), (1258, 361240), (1360, 334147), (1480, 307054), (1496, 303770), (1628, 279140), (1642, 276760), (1870, 243016), (2035, 223312), (2516, 180620), (2960, 153527), (2992, 151885), (3145, 144496), (3256, 139570), (3284, 138380), (3740, 121508), (4070, 111656), (4105, 110704), (5032, 90310), (6290, 72248), (6512, 69785), (6568, 69190), (6919, 65680), (7480, 60754), (8140, 55828), (8210, 55352), (9031, 50320), (10064, 45155), (12580, 36124), (13136, 34595), (13838, 32840), (13957, 32560), (14960, 30377), (16280, 27914), (16420, 27676), (18062, 25160)]