142512890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35363}}^1$

素因数の和:35414

約数の個数: 32

約数和(自身を含む): 285175296

約数和(自身を除く): 142662406

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 35363, 70726, 176815, 353630, 459719, 919438, 1096253, 2192506, 2298595, 4597190, 5481265, 10962530, 14251289, 28502578, 71256445, 142512890]

約数ペア:

[(1, 142512890), (2, 71256445), (5, 28502578), (10, 14251289), (13, 10962530), (26, 5481265), (31, 4597190), (62, 2298595), (65, 2192506), (130, 1096253), (155, 919438), (310, 459719), (403, 353630), (806, 176815), (2015, 70726), (4030, 35363)]