71630690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 72069790

約数列:

[1, 2, 5, 10, 17, 34, 41, 43, 82, 85, 86, 170, 205, 215, 239, 410, 430, 478, 697, 731, 1195, 1394, 1462, 1763, 2390, 3485, 3526, 3655, 4063, 6970, 7310, 8126, 8815, 9799, 10277, 17630, 19598, 20315, 20554, 29971, 40630, 48995, 51385, 59942, 97990, 102770, 149855, 166583, 174709, 299710, 333166, 349418, 421357, 832915, 842714, 873545, 1665830, 1747090, 2106785, 4213570, 7163069, 14326138, 35815345, 71630690]

約数ペア:

[(1, 71630690), (2, 35815345), (5, 14326138), (10, 7163069), (17, 4213570), (34, 2106785), (41, 1747090), (43, 1665830), (82, 873545), (85, 842714), (86, 832915), (170, 421357), (205, 349418), (215, 333166), (239, 299710), (410, 174709), (430, 166583), (478, 149855), (697, 102770), (731, 97990), (1195, 59942), (1394, 51385), (1462, 48995), (1763, 40630), (2390, 29971), (3485, 20554), (3526, 20315), (3655, 19598), (4063, 17630), (6970, 10277), (7310, 9799), (8126, 8815)]