74838490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 138568320

約数和(自身を除く): 63729830

約数列:

[1, 2, 5, 10, 43, 86, 215, 269, 430, 538, 647, 1294, 1345, 2690, 3235, 6470, 11567, 23134, 27821, 55642, 57835, 115670, 139105, 174043, 278210, 348086, 870215, 1740430, 7483849, 14967698, 37419245, 74838490]

約数ペア:

[(1, 74838490), (2, 37419245), (5, 14967698), (10, 7483849), (43, 1740430), (86, 870215), (215, 348086), (269, 278210), (430, 174043), (538, 139105), (647, 115670), (1294, 57835), (1345, 55642), (2690, 27821), (3235, 23134), (6470, 11567)]