84204580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 188818560

約数和(自身を除く): 104613980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 3121, 5396, 6242, 6745, 12484, 13490, 15605, 26980, 31210, 59299, 62420, 118598, 221591, 237196, 296495, 443182, 592990, 886364, 1107955, 1185980, 2215910, 4210229, 4431820, 8420458, 16840916, 21051145, 42102290, 84204580]

約数ペア:

[(1, 84204580), (2, 42102290), (4, 21051145), (5, 16840916), (10, 8420458), (19, 4431820), (20, 4210229), (38, 2215910), (71, 1185980), (76, 1107955), (95, 886364), (142, 592990), (190, 443182), (284, 296495), (355, 237196), (380, 221591), (710, 118598), (1349, 62420), (1420, 59299), (2698, 31210), (3121, 26980), (5396, 15605), (6242, 13490), (6745, 12484)]