81969070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 158750928

約数和(自身を除く): 76781858

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 251, 289, 502, 565, 578, 1130, 1255, 1445, 1921, 2510, 2890, 3842, 4267, 8534, 9605, 19210, 21335, 28363, 32657, 42670, 56726, 65314, 72539, 141815, 145078, 163285, 283630, 326570, 362695, 482171, 725390, 964342, 2410855, 4821710, 8196907, 16393814, 40984535, 81969070]

約数ペア:

[(1, 81969070), (2, 40984535), (5, 16393814), (10, 8196907), (17, 4821710), (34, 2410855), (85, 964342), (113, 725390), (170, 482171), (226, 362695), (251, 326570), (289, 283630), (502, 163285), (565, 145078), (578, 141815), (1130, 72539), (1255, 65314), (1445, 56726), (1921, 42670), (2510, 32657), (2890, 28363), (3842, 21335), (4267, 19210), (8534, 9605)]