1817285180

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 3844278144

約数和(自身を除く): 2026992964

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 563, 643, 1004, 1126, 1255, 1286, 2252, 2510, 2572, 2815, 3215, 5020, 5630, 6430, 11260, 12860, 141313, 161393, 282626, 322786, 362009, 565252, 645572, 706565, 724018, 806965, 1413130, 1448036, 1613930, 1810045, 2826260, 3227860, 3620090, 7240180, 90864259, 181728518, 363457036, 454321295, 908642590, 1817285180]

約数ペア:

[(1, 1817285180), (2, 908642590), (4, 454321295), (5, 363457036), (10, 181728518), (20, 90864259), (251, 7240180), (502, 3620090), (563, 3227860), (643, 2826260), (1004, 1810045), (1126, 1613930), (1255, 1448036), (1286, 1413130), (2252, 806965), (2510, 724018), (2572, 706565), (2815, 645572), (3215, 565252), (5020, 362009), (5630, 322786), (6430, 282626), (11260, 161393), (12860, 141313)]