1580221580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{230353}}^1$

素因数の和:230383

約数の個数: 48

約数和(自身を含む): 3869947200

約数和(自身を除く): 2289725620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 230353, 460706, 921412, 1151765, 1612471, 2303530, 3224942, 4607060, 6449884, 8062355, 11287297, 16124710, 22574594, 32249420, 45149188, 56436485, 79011079, 112872970, 158022158, 225745940, 316044316, 395055395, 790110790, 1580221580]

約数ペア:

[(1, 1580221580), (2, 790110790), (4, 395055395), (5, 316044316), (7, 225745940), (10, 158022158), (14, 112872970), (20, 79011079), (28, 56436485), (35, 45149188), (49, 32249420), (70, 22574594), (98, 16124710), (140, 11287297), (196, 8062355), (245, 6449884), (343, 4607060), (490, 3224942), (686, 2303530), (980, 1612471), (1372, 1151765), (1715, 921412), (3430, 460706), (6860, 230353)]