1285757060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{1747}}^1$

素因数の和:2521

約数の個数: 72

約数和(自身を含む): 3146903424

約数和(自身を除く): 1861146364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 751, 980, 1502, 1747, 3004, 3494, 3755, 5257, 6988, 7510, 8735, 10514, 12229, 15020, 17470, 21028, 24458, 26285, 34940, 36799, 48916, 52570, 61145, 73598, 85603, 105140, 122290, 147196, 171206, 183995, 244580, 342412, 367990, 428015, 735980, 856030, 1311997, 1712060, 2623994, 5247988, 6559985, 9183979, 13119970, 18367958, 26239940, 36735916, 45919895, 64287853, 91839790, 128575706, 183679580, 257151412, 321439265, 642878530, 1285757060]

約数ペア:

[(1, 1285757060), (2, 642878530), (4, 321439265), (5, 257151412), (7, 183679580), (10, 128575706), (14, 91839790), (20, 64287853), (28, 45919895), (35, 36735916), (49, 26239940), (70, 18367958), (98, 13119970), (140, 9183979), (196, 6559985), (245, 5247988), (490, 2623994), (751, 1712060), (980, 1311997), (1502, 856030), (1747, 735980), (3004, 428015), (3494, 367990), (3755, 342412), (5257, 244580), (6988, 183995), (7510, 171206), (8735, 147196), (10514, 122290), (12229, 105140), (15020, 85603), (17470, 73598), (21028, 61145), (24458, 52570), (26285, 48916), (34940, 36799)]