8708139940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{19699}}^1$

素因数の和:19793

約数の個数: 72

約数和(自身を含む): 19718596800

約数和(自身を除く): 11010456860

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 961, 1426, 1922, 2852, 3565, 3844, 4805, 7130, 9610, 14260, 19220, 19699, 22103, 39398, 44206, 78796, 88412, 98495, 110515, 196990, 221030, 393980, 442060, 453077, 610669, 906154, 1221338, 1812308, 2265385, 2442676, 3053345, 4530770, 6106690, 9061540, 12213380, 14045387, 18930739, 28090774, 37861478, 56181548, 70226935, 75722956, 94653695, 140453870, 189307390, 280907740, 378614780, 435406997, 870813994, 1741627988, 2177034985, 4354069970, 8708139940]

約数ペア:

[(1, 8708139940), (2, 4354069970), (4, 2177034985), (5, 1741627988), (10, 870813994), (20, 435406997), (23, 378614780), (31, 280907740), (46, 189307390), (62, 140453870), (92, 94653695), (115, 75722956), (124, 70226935), (155, 56181548), (230, 37861478), (310, 28090774), (460, 18930739), (620, 14045387), (713, 12213380), (961, 9061540), (1426, 6106690), (1922, 4530770), (2852, 3053345), (3565, 2442676), (3844, 2265385), (4805, 1812308), (7130, 1221338), (9610, 906154), (14260, 610669), (19220, 453077), (19699, 442060), (22103, 393980), (39398, 221030), (44206, 196990), (78796, 110515), (88412, 98495)]