7148451820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{162391}}^1$

素因数の和:162502

約数の個数: 48

約数和(自身を含む): 15714349056

約数和(自身を除く): 8565897236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 162391, 324782, 649564, 811955, 1623910, 3247820, 5034121, 10068242, 11529761, 20136484, 23059522, 25170605, 46119044, 50341210, 57648805, 100682420, 115297610, 230595220, 357422591, 714845182, 1429690364, 1787112955, 3574225910, 7148451820]

約数ペア:

[(1, 7148451820), (2, 3574225910), (4, 1787112955), (5, 1429690364), (10, 714845182), (20, 357422591), (31, 230595220), (62, 115297610), (71, 100682420), (124, 57648805), (142, 50341210), (155, 46119044), (284, 25170605), (310, 23059522), (355, 20136484), (620, 11529761), (710, 10068242), (1420, 5034121), (2201, 3247820), (4402, 1623910), (8804, 811955), (11005, 649564), (22010, 324782), (44020, 162391)]