1640343770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43661}}^1$

素因数の和:43715

約数の個数: 48

約数和(自身を含む): 3377866968

約数和(自身を除く): 1737523198

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 7514, 18785, 37570, 43661, 87322, 218305, 436610, 567593, 742237, 1135186, 1484474, 2837965, 3711185, 5675930, 7422370, 9649081, 12618029, 19298162, 25236058, 48245405, 63090145, 96490810, 126180290, 164034377, 328068754, 820171885, 1640343770]

約数ペア:

[(1, 1640343770), (2, 820171885), (5, 328068754), (10, 164034377), (13, 126180290), (17, 96490810), (26, 63090145), (34, 48245405), (65, 25236058), (85, 19298162), (130, 12618029), (170, 9649081), (221, 7422370), (289, 5675930), (442, 3711185), (578, 2837965), (1105, 1484474), (1445, 1135186), (2210, 742237), (2890, 567593), (3757, 436610), (7514, 218305), (18785, 87322), (37570, 43661)]