2019889660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1\times {\mathrm{2131}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 4302410112

約数和(自身を除く): 2282520452

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 571, 830, 1142, 1660, 2131, 2284, 2855, 4262, 5710, 8524, 10655, 11420, 21310, 42620, 47393, 94786, 176873, 189572, 236965, 353746, 473930, 707492, 884365, 947860, 1216801, 1768730, 2433602, 3537460, 4867204, 6084005, 12168010, 24336020, 100994483, 201988966, 403977932, 504972415, 1009944830, 2019889660]

約数ペア:

[(1, 2019889660), (2, 1009944830), (4, 504972415), (5, 403977932), (10, 201988966), (20, 100994483), (83, 24336020), (166, 12168010), (332, 6084005), (415, 4867204), (571, 3537460), (830, 2433602), (1142, 1768730), (1660, 1216801), (2131, 947860), (2284, 884365), (2855, 707492), (4262, 473930), (5710, 353746), (8524, 236965), (10655, 189572), (11420, 176873), (21310, 94786), (42620, 47393)]