105547180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 226437120

約数和(自身を除く): 120889940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 239, 284, 311, 355, 478, 622, 710, 956, 1195, 1244, 1420, 1555, 2390, 3110, 4780, 6220, 16969, 22081, 33938, 44162, 67876, 74329, 84845, 88324, 110405, 148658, 169690, 220810, 297316, 339380, 371645, 441620, 743290, 1486580, 5277359, 10554718, 21109436, 26386795, 52773590, 105547180]

約数ペア:

[(1, 105547180), (2, 52773590), (4, 26386795), (5, 21109436), (10, 10554718), (20, 5277359), (71, 1486580), (142, 743290), (239, 441620), (284, 371645), (311, 339380), (355, 297316), (478, 220810), (622, 169690), (710, 148658), (956, 110405), (1195, 88324), (1244, 84845), (1420, 74329), (1555, 67876), (2390, 44162), (3110, 33938), (4780, 22081), (6220, 16969)]