1557366940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{8999}}^1$

素因数の和:9534

約数の個数: 48

約数和(自身を含む): 3470040000

約数和(自身を除く): 1912673060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 509, 1018, 2036, 2545, 5090, 8653, 8999, 10180, 17306, 17998, 34612, 35996, 43265, 44995, 86530, 89990, 152983, 173060, 179980, 305966, 611932, 764915, 1529830, 3059660, 4580491, 9160982, 18321964, 22902455, 45804910, 77868347, 91609820, 155736694, 311473388, 389341735, 778683470, 1557366940]

約数ペア:

[(1, 1557366940), (2, 778683470), (4, 389341735), (5, 311473388), (10, 155736694), (17, 91609820), (20, 77868347), (34, 45804910), (68, 22902455), (85, 18321964), (170, 9160982), (340, 4580491), (509, 3059660), (1018, 1529830), (2036, 764915), (2545, 611932), (5090, 305966), (8653, 179980), (8999, 173060), (10180, 152983), (17306, 89990), (17998, 86530), (34612, 44995), (35996, 43265)]