2147202290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 4071444480

約数和(自身を除く): 1924242190

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 239, 310, 365, 397, 478, 730, 794, 1195, 1985, 2263, 2390, 3970, 4526, 7409, 11315, 12307, 14818, 17447, 22630, 24614, 28981, 34894, 37045, 57962, 61535, 74090, 87235, 94883, 123070, 144905, 174470, 189766, 289810, 474415, 540857, 898411, 948830, 1081714, 1796822, 2704285, 2941373, 4492055, 5408570, 5882746, 6926459, 8984110, 13852918, 14706865, 29413730, 34632295, 69264590, 214720229, 429440458, 1073601145, 2147202290]

約数ペア:

[(1, 2147202290), (2, 1073601145), (5, 429440458), (10, 214720229), (31, 69264590), (62, 34632295), (73, 29413730), (146, 14706865), (155, 13852918), (239, 8984110), (310, 6926459), (365, 5882746), (397, 5408570), (478, 4492055), (730, 2941373), (794, 2704285), (1195, 1796822), (1985, 1081714), (2263, 948830), (2390, 898411), (3970, 540857), (4526, 474415), (7409, 289810), (11315, 189766), (12307, 174470), (14818, 144905), (17447, 123070), (22630, 94883), (24614, 87235), (28981, 74090), (34894, 61535), (37045, 57962)]