285144820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15859}}^1$

素因数の和:15928

約数の個数: 48

約数和(自身を含む): 639475200

約数和(自身を除く): 354330380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 15859, 17980, 31718, 63436, 79295, 158590, 317180, 459911, 491629, 919822, 983258, 1839644, 1966516, 2299555, 2458145, 4599110, 4916290, 9198220, 9832580, 14257241, 28514482, 57028964, 71286205, 142572410, 285144820]

約数ペア:

[(1, 285144820), (2, 142572410), (4, 71286205), (5, 57028964), (10, 28514482), (20, 14257241), (29, 9832580), (31, 9198220), (58, 4916290), (62, 4599110), (116, 2458145), (124, 2299555), (145, 1966516), (155, 1839644), (290, 983258), (310, 919822), (580, 491629), (620, 459911), (899, 317180), (1798, 158590), (3596, 79295), (4495, 63436), (8990, 31718), (15859, 17980)]