384326840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5184

約数の個数: 64

約数和(自身を含む): 907441920

約数和(自身を除く): 523115080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 5081, 7564, 9455, 10162, 15128, 18910, 20324, 25405, 37820, 40648, 50810, 75640, 101620, 157511, 203240, 309941, 315022, 619882, 630044, 787555, 1239764, 1260088, 1549705, 1575110, 2479528, 3099410, 3150220, 6198820, 6300440, 9608171, 12397640, 19216342, 38432684, 48040855, 76865368, 96081710, 192163420, 384326840]

約数ペア:

[(1, 384326840), (2, 192163420), (4, 96081710), (5, 76865368), (8, 48040855), (10, 38432684), (20, 19216342), (31, 12397640), (40, 9608171), (61, 6300440), (62, 6198820), (122, 3150220), (124, 3099410), (155, 2479528), (244, 1575110), (248, 1549705), (305, 1260088), (310, 1239764), (488, 787555), (610, 630044), (620, 619882), (1220, 315022), (1240, 309941), (1891, 203240), (2440, 157511), (3782, 101620), (5081, 75640), (7564, 50810), (9455, 40648), (10162, 37820), (15128, 25405), (18910, 20324)]