156727940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 341107200

約数和(自身を除く): 184379260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 449, 563, 620, 898, 1126, 1796, 2245, 2252, 2815, 4490, 5630, 8980, 11260, 13919, 17453, 27838, 34906, 55676, 69595, 69812, 87265, 139190, 174530, 252787, 278380, 349060, 505574, 1011148, 1263935, 2527870, 5055740, 7836397, 15672794, 31345588, 39181985, 78363970, 156727940]

約数ペア:

[(1, 156727940), (2, 78363970), (4, 39181985), (5, 31345588), (10, 15672794), (20, 7836397), (31, 5055740), (62, 2527870), (124, 1263935), (155, 1011148), (310, 505574), (449, 349060), (563, 278380), (620, 252787), (898, 174530), (1126, 139190), (1796, 87265), (2245, 69812), (2252, 69595), (2815, 55676), (4490, 34906), (5630, 27838), (8980, 17453), (11260, 13919)]