291299320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{560191}}^1$

素因数の和:560215

約数の個数: 32

約数和(自身を含む): 705841920

約数和(自身を除く): 414542600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 560191, 1120382, 2240764, 2800955, 4481528, 5601910, 7282483, 11203820, 14564966, 22407640, 29129932, 36412415, 58259864, 72824830, 145649660, 291299320]

約数ペア:

[(1, 291299320), (2, 145649660), (4, 72824830), (5, 58259864), (8, 36412415), (10, 29129932), (13, 22407640), (20, 14564966), (26, 11203820), (40, 7282483), (52, 5601910), (65, 4481528), (104, 2800955), (130, 2240764), (260, 1120382), (520, 560191)]