70298980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1901}}^1$

素因数の和:1996

約数の個数: 36

約数和(自身を含む): 151220412

約数和(自身を除く): 80921432

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 1901, 3698, 3802, 7396, 7604, 9245, 9505, 18490, 19010, 36980, 38020, 81743, 163486, 326972, 408715, 817430, 1634860, 3514949, 7029898, 14059796, 17574745, 35149490, 70298980]

約数ペア:

[(1, 70298980), (2, 35149490), (4, 17574745), (5, 14059796), (10, 7029898), (20, 3514949), (43, 1634860), (86, 817430), (172, 408715), (215, 326972), (430, 163486), (860, 81743), (1849, 38020), (1901, 36980), (3698, 19010), (3802, 18490), (7396, 9505), (7604, 9245)]