400328530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 875826432

約数和(自身を除く): 475497902

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 71, 74, 98, 142, 185, 245, 259, 311, 355, 370, 490, 497, 518, 622, 710, 994, 1295, 1555, 1813, 2177, 2485, 2590, 2627, 3110, 3479, 3626, 4354, 4970, 5254, 6958, 9065, 10885, 11507, 13135, 15239, 17395, 18130, 18389, 21770, 22081, 23014, 26270, 30478, 34790, 36778, 44162, 57535, 76195, 80549, 91945, 110405, 115070, 128723, 152390, 154567, 161098, 183890, 220810, 257446, 309134, 402745, 563843, 643615, 772835, 805490, 816997, 1081969, 1127686, 1287230, 1545670, 1633994, 2163938, 2819215, 4084985, 5409845, 5638430, 5718979, 8169970, 10819690, 11437958, 28594895, 40032853, 57189790, 80065706, 200164265, 400328530]

約数ペア:

[(1, 400328530), (2, 200164265), (5, 80065706), (7, 57189790), (10, 40032853), (14, 28594895), (35, 11437958), (37, 10819690), (49, 8169970), (70, 5718979), (71, 5638430), (74, 5409845), (98, 4084985), (142, 2819215), (185, 2163938), (245, 1633994), (259, 1545670), (311, 1287230), (355, 1127686), (370, 1081969), (490, 816997), (497, 805490), (518, 772835), (622, 643615), (710, 563843), (994, 402745), (1295, 309134), (1555, 257446), (1813, 220810), (2177, 183890), (2485, 161098), (2590, 154567), (2627, 152390), (3110, 128723), (3479, 115070), (3626, 110405), (4354, 91945), (4970, 80549), (5254, 76195), (6958, 57535), (9065, 44162), (10885, 36778), (11507, 34790), (13135, 30478), (15239, 26270), (17395, 23014), (18130, 22081), (18389, 21770)]