7402958780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{866857}}^1$

素因数の和:866934

約数の個数: 48

約数和(自身を含む): 18058385856

約数和(自身を除く): 10655427076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 866857, 1733714, 3467428, 4334285, 6067999, 8668570, 12135998, 17337140, 24271996, 30339995, 52878277, 60679990, 105756554, 121359980, 211513108, 264391385, 370147939, 528782770, 740295878, 1057565540, 1480591756, 1850739695, 3701479390, 7402958780]

約数ペア:

[(1, 7402958780), (2, 3701479390), (4, 1850739695), (5, 1480591756), (7, 1057565540), (10, 740295878), (14, 528782770), (20, 370147939), (28, 264391385), (35, 211513108), (61, 121359980), (70, 105756554), (122, 60679990), (140, 52878277), (244, 30339995), (305, 24271996), (427, 17337140), (610, 12135998), (854, 8668570), (1220, 6067999), (1708, 4334285), (2135, 3467428), (4270, 1733714), (8540, 866857)]