780339170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{260983}}^1$

素因数の和:261026

約数の個数: 32

約数和(自身を含む): 1578431232

約数和(自身を除く): 798092062

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 260983, 521966, 1304915, 2609830, 3392779, 6002609, 6785558, 12005218, 16963895, 30013045, 33927790, 60026090, 78033917, 156067834, 390169585, 780339170]

約数ペア:

[(1, 780339170), (2, 390169585), (5, 156067834), (10, 78033917), (13, 60026090), (23, 33927790), (26, 30013045), (46, 16963895), (65, 12005218), (115, 6785558), (130, 6002609), (230, 3392779), (299, 2609830), (598, 1304915), (1495, 521966), (2990, 260983)]