259455170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{68821}}^1$

素因数の和:68870

約数の個数: 32

約数和(自身を含む): 520294320

約数和(自身を除く): 260839150

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 68821, 137642, 344105, 688210, 894673, 1789346, 1995809, 3991618, 4473365, 8946730, 9979045, 19958090, 25945517, 51891034, 129727585, 259455170]

約数ペア:

[(1, 259455170), (2, 129727585), (5, 51891034), (10, 25945517), (13, 19958090), (26, 9979045), (29, 8946730), (58, 4473365), (65, 3991618), (130, 1995809), (145, 1789346), (290, 894673), (377, 688210), (754, 344105), (1885, 137642), (3770, 68821)]