318808040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{29629}}^1$

素因数の和:29909

約数の個数: 32

約数和(自身を含む): 720009000

約数和(自身を除く): 401200960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 29629, 59258, 118516, 148145, 237032, 296290, 592580, 1185160, 7970201, 15940402, 31880804, 39851005, 63761608, 79702010, 159404020, 318808040]

約数ペア:

[(1, 318808040), (2, 159404020), (4, 79702010), (5, 63761608), (8, 39851005), (10, 31880804), (20, 15940402), (40, 7970201), (269, 1185160), (538, 592580), (1076, 296290), (1345, 237032), (2152, 148145), (2690, 118516), (5380, 59258), (10760, 29629)]