220293808

素因数分解:

$2^4\times 7^3\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 80

約数和(自身を含む): 503092800

約数和(自身を除く): 282798992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 137, 196, 274, 293, 343, 392, 548, 586, 686, 784, 959, 1096, 1172, 1372, 1918, 2051, 2192, 2344, 2744, 3836, 4102, 4688, 5488, 6713, 7672, 8204, 13426, 14357, 15344, 16408, 26852, 28714, 32816, 40141, 46991, 53704, 57428, 80282, 93982, 100499, 107408, 114856, 160564, 187964, 200998, 229712, 280987, 321128, 375928, 401996, 561974, 642256, 751856, 803992, 1123948, 1607984, 1966909, 2247896, 3933818, 4495792, 7867636, 13768363, 15735272, 27536726, 31470544, 55073452, 110146904, 220293808]

約数ペア:

[(1, 220293808), (2, 110146904), (4, 55073452), (7, 31470544), (8, 27536726), (14, 15735272), (16, 13768363), (28, 7867636), (49, 4495792), (56, 3933818), (98, 2247896), (112, 1966909), (137, 1607984), (196, 1123948), (274, 803992), (293, 751856), (343, 642256), (392, 561974), (548, 401996), (586, 375928), (686, 321128), (784, 280987), (959, 229712), (1096, 200998), (1172, 187964), (1372, 160564), (1918, 114856), (2051, 107408), (2192, 100499), (2344, 93982), (2744, 80282), (3836, 57428), (4102, 53704), (4688, 46991), (5488, 40141), (6713, 32816), (7672, 28714), (8204, 26852), (13426, 16408), (14357, 15344)]