290428540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1459}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 629143200

約数和(自身を除く): 338714660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 269, 370, 538, 740, 1076, 1345, 1459, 2690, 2918, 5380, 5836, 7295, 9953, 14590, 19906, 29180, 39812, 49765, 53983, 99530, 107966, 199060, 215932, 269915, 392471, 539830, 784942, 1079660, 1569884, 1962355, 3924710, 7849420, 14521427, 29042854, 58085708, 72607135, 145214270, 290428540]

約数ペア:

[(1, 290428540), (2, 145214270), (4, 72607135), (5, 58085708), (10, 29042854), (20, 14521427), (37, 7849420), (74, 3924710), (148, 1962355), (185, 1569884), (269, 1079660), (370, 784942), (538, 539830), (740, 392471), (1076, 269915), (1345, 215932), (1459, 199060), (2690, 107966), (2918, 99530), (5380, 53983), (5836, 49765), (7295, 39812), (9953, 29180), (14590, 19906)]