245810684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 537009312

約数和(自身を除く): 291198628

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 289, 476, 518, 578, 629, 821, 1036, 1156, 1258, 1642, 2023, 2516, 3284, 4046, 4403, 5747, 8092, 8806, 10693, 11494, 13957, 17612, 21386, 22988, 27914, 30377, 42772, 55828, 60754, 74851, 97699, 121508, 149702, 195398, 212639, 237269, 299404, 390796, 425278, 474538, 516409, 850556, 949076, 1032818, 1660883, 2065636, 3321766, 3614863, 6643532, 7229726, 8778953, 14459452, 17557906, 35115812, 61452671, 122905342, 245810684]

約数ペア:

[(1, 245810684), (2, 122905342), (4, 61452671), (7, 35115812), (14, 17557906), (17, 14459452), (28, 8778953), (34, 7229726), (37, 6643532), (68, 3614863), (74, 3321766), (119, 2065636), (148, 1660883), (238, 1032818), (259, 949076), (289, 850556), (476, 516409), (518, 474538), (578, 425278), (629, 390796), (821, 299404), (1036, 237269), (1156, 212639), (1258, 195398), (1642, 149702), (2023, 121508), (2516, 97699), (3284, 74851), (4046, 60754), (4403, 55828), (5747, 42772), (8092, 30377), (8806, 27914), (10693, 22988), (11494, 21386), (13957, 17612)]