419860900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 108

約数和(自身を含む): 1000693764

約数和(自身を除く): 580832864

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 257, 310, 340, 425, 514, 527, 620, 775, 850, 961, 1028, 1054, 1285, 1550, 1700, 1922, 2108, 2570, 2635, 3100, 3844, 4369, 4805, 5140, 5270, 6425, 7967, 8738, 9610, 10540, 12850, 13175, 15934, 16337, 17476, 19220, 21845, 24025, 25700, 26350, 31868, 32674, 39835, 43690, 48050, 52700, 65348, 79670, 81685, 87380, 96100, 109225, 135439, 159340, 163370, 199175, 218450, 246977, 270878, 326740, 398350, 408425, 436900, 493954, 541756, 677195, 796700, 816850, 987908, 1234885, 1354390, 1633700, 2469770, 2708780, 3385975, 4198609, 4939540, 6174425, 6771950, 8397218, 12348850, 13543900, 16794436, 20993045, 24697700, 41986090, 83972180, 104965225, 209930450, 419860900]

約数ペア:

[(1, 419860900), (2, 209930450), (4, 104965225), (5, 83972180), (10, 41986090), (17, 24697700), (20, 20993045), (25, 16794436), (31, 13543900), (34, 12348850), (50, 8397218), (62, 6771950), (68, 6174425), (85, 4939540), (100, 4198609), (124, 3385975), (155, 2708780), (170, 2469770), (257, 1633700), (310, 1354390), (340, 1234885), (425, 987908), (514, 816850), (527, 796700), (620, 677195), (775, 541756), (850, 493954), (961, 436900), (1028, 408425), (1054, 398350), (1285, 326740), (1550, 270878), (1700, 246977), (1922, 218450), (2108, 199175), (2570, 163370), (2635, 159340), (3100, 135439), (3844, 109225), (4369, 96100), (4805, 87380), (5140, 81685), (5270, 79670), (6425, 65348), (7967, 52700), (8738, 48050), (9610, 43690), (10540, 39835), (12850, 32674), (13175, 31868), (15934, 26350), (16337, 25700), (17476, 24025), (19220, 21845)]