7766006980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{321707}}^1$

素因数の和:321804

約数の個数: 48

約数和(自身を含む): 17511209856

約数和(自身を除く): 9745202876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 12070, 24140, 321707, 643414, 1286828, 1608535, 3217070, 5469019, 6434140, 10938038, 21876076, 22841197, 27345095, 45682394, 54690190, 91364788, 109380380, 114205985, 228411970, 388300349, 456823940, 776600698, 1553201396, 1941501745, 3883003490, 7766006980]

約数ペア:

[(1, 7766006980), (2, 3883003490), (4, 1941501745), (5, 1553201396), (10, 776600698), (17, 456823940), (20, 388300349), (34, 228411970), (68, 114205985), (71, 109380380), (85, 91364788), (142, 54690190), (170, 45682394), (284, 27345095), (340, 22841197), (355, 21876076), (710, 10938038), (1207, 6434140), (1420, 5469019), (2414, 3217070), (4828, 1608535), (6035, 1286828), (12070, 643414), (24140, 321707)]