378166520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2076

約数の個数: 64

約数和(自身を含む): 884183040

約数和(自身を除く): 506016520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1240, 1304, 1630, 1871, 3260, 3742, 5053, 6520, 7484, 9355, 10106, 14968, 18710, 20212, 25265, 37420, 40424, 50530, 58001, 74840, 101060, 116002, 202120, 232004, 290005, 304973, 464008, 580010, 609946, 1160020, 1219892, 1524865, 2320040, 2439784, 3049730, 6099460, 9454163, 12198920, 18908326, 37816652, 47270815, 75633304, 94541630, 189083260, 378166520]

約数ペア:

[(1, 378166520), (2, 189083260), (4, 94541630), (5, 75633304), (8, 47270815), (10, 37816652), (20, 18908326), (31, 12198920), (40, 9454163), (62, 6099460), (124, 3049730), (155, 2439784), (163, 2320040), (248, 1524865), (310, 1219892), (326, 1160020), (620, 609946), (652, 580010), (815, 464008), (1240, 304973), (1304, 290005), (1630, 232004), (1871, 202120), (3260, 116002), (3742, 101060), (5053, 74840), (6520, 58001), (7484, 50530), (9355, 40424), (10106, 37420), (14968, 25265), (18710, 20212)]