190079660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 407786400

約数和(自身を除く): 217706740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 347, 449, 610, 694, 898, 1220, 1388, 1735, 1796, 2245, 3470, 4490, 6940, 8980, 21167, 27389, 42334, 54778, 84668, 105835, 109556, 136945, 155803, 211670, 273890, 311606, 423340, 547780, 623212, 779015, 1558030, 3116060, 9503983, 19007966, 38015932, 47519915, 95039830, 190079660]

約数ペア:

[(1, 190079660), (2, 95039830), (4, 47519915), (5, 38015932), (10, 19007966), (20, 9503983), (61, 3116060), (122, 1558030), (244, 779015), (305, 623212), (347, 547780), (449, 423340), (610, 311606), (694, 273890), (898, 211670), (1220, 155803), (1388, 136945), (1735, 109556), (1796, 105835), (2245, 84668), (3470, 54778), (4490, 42334), (6940, 27389), (8980, 21167)]