15704931400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{993983}}^1$

素因数の和:994078

約数の個数: 48

約数和(自身を含む): 36976204800

約数和(自身を除く): 21271273400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 993983, 1987966, 3975932, 4969915, 7951864, 9939830, 19879660, 24849575, 39759320, 49699150, 78524657, 99398300, 157049314, 198796600, 314098628, 392623285, 628197256, 785246570, 1570493140, 1963116425, 3140986280, 3926232850, 7852465700, 15704931400]

約数ペア:

[(1, 15704931400), (2, 7852465700), (4, 3926232850), (5, 3140986280), (8, 1963116425), (10, 1570493140), (20, 785246570), (25, 628197256), (40, 392623285), (50, 314098628), (79, 198796600), (100, 157049314), (158, 99398300), (200, 78524657), (316, 49699150), (395, 39759320), (632, 24849575), (790, 19879660), (1580, 9939830), (1975, 7951864), (3160, 4969915), (3950, 3975932), (7900, 1987966), (15800, 993983)]