208524290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 424811520

約数和(自身を除く): 216287230

約数列:

[1, 2, 5, 10, 13, 26, 31, 59, 62, 65, 118, 130, 155, 295, 310, 403, 590, 767, 806, 877, 1534, 1754, 1829, 2015, 3658, 3835, 4030, 4385, 7670, 8770, 9145, 11401, 18290, 22802, 23777, 27187, 47554, 51743, 54374, 57005, 103486, 114010, 118885, 135935, 237770, 258715, 271870, 353431, 517430, 672659, 706862, 1345318, 1604033, 1767155, 3208066, 3363295, 3534310, 6726590, 8020165, 16040330, 20852429, 41704858, 104262145, 208524290]

約数ペア:

[(1, 208524290), (2, 104262145), (5, 41704858), (10, 20852429), (13, 16040330), (26, 8020165), (31, 6726590), (59, 3534310), (62, 3363295), (65, 3208066), (118, 1767155), (130, 1604033), (155, 1345318), (295, 706862), (310, 672659), (403, 517430), (590, 353431), (767, 271870), (806, 258715), (877, 237770), (1534, 135935), (1754, 118885), (1829, 114010), (2015, 103486), (3658, 57005), (3835, 54374), (4030, 51743), (4385, 47554), (7670, 27187), (8770, 23777), (9145, 22802), (11401, 18290)]