7859968340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{920371}}^1$

素因数の和:920448

約数の個数: 48

約数和(自身を含む): 19173189504

約数和(自身を除く): 11313221164

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, 920371, 1840742, 3681484, 4601855, 6442597, 9203710, 12885194, 18407420, 25770388, 32212985, 56142631, 64425970, 112285262, 128851940, 224570524, 280713155, 392998417, 561426310, 785996834, 1122852620, 1571993668, 1964992085, 3929984170, 7859968340]

約数ペア:

[(1, 7859968340), (2, 3929984170), (4, 1964992085), (5, 1571993668), (7, 1122852620), (10, 785996834), (14, 561426310), (20, 392998417), (28, 280713155), (35, 224570524), (61, 128851940), (70, 112285262), (122, 64425970), (140, 56142631), (244, 32212985), (305, 25770388), (427, 18407420), (610, 12885194), (854, 9203710), (1220, 6442597), (1708, 4601855), (2135, 3681484), (4270, 1840742), (8540, 920371)]