243117740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 523635840

約数和(自身を除く): 280518100

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 730, 890, 1460, 1780, 1871, 3742, 6497, 7484, 9355, 12994, 18710, 25988, 32485, 37420, 64970, 129940, 136583, 166519, 273166, 333038, 546332, 666076, 682915, 832595, 1365830, 1665190, 2731660, 3330380, 12155887, 24311774, 48623548, 60779435, 121558870, 243117740]

約数ペア:

[(1, 243117740), (2, 121558870), (4, 60779435), (5, 48623548), (10, 24311774), (20, 12155887), (73, 3330380), (89, 2731660), (146, 1665190), (178, 1365830), (292, 832595), (356, 682915), (365, 666076), (445, 546332), (730, 333038), (890, 273166), (1460, 166519), (1780, 136583), (1871, 129940), (3742, 64970), (6497, 37420), (7484, 32485), (9355, 25988), (12994, 18710)]