408432830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{2939}}^1$

素因数の和:4028

約数の個数: 32

約数和(自身を含む): 792741600

約数和(自身を除く): 384308770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1069, 2138, 2939, 5345, 5878, 10690, 13897, 14695, 27794, 29390, 38207, 69485, 76414, 138970, 191035, 382070, 3141791, 6283582, 15708955, 31417910, 40843283, 81686566, 204216415, 408432830]

約数ペア:

[(1, 408432830), (2, 204216415), (5, 81686566), (10, 40843283), (13, 31417910), (26, 15708955), (65, 6283582), (130, 3141791), (1069, 382070), (2138, 191035), (2939, 138970), (5345, 76414), (5878, 69485), (10690, 38207), (13897, 29390), (14695, 27794)]