85561340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 194028912

約数和(自身を除く): 108467572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 131, 170, 226, 262, 289, 340, 452, 524, 565, 578, 655, 1130, 1156, 1310, 1445, 1921, 2227, 2260, 2620, 2890, 3842, 4454, 5780, 7684, 8908, 9605, 11135, 14803, 19210, 22270, 29606, 32657, 37859, 38420, 44540, 59212, 65314, 74015, 75718, 130628, 148030, 151436, 163285, 189295, 251651, 296060, 326570, 378590, 503302, 653140, 757180, 1006604, 1258255, 2516510, 4278067, 5033020, 8556134, 17112268, 21390335, 42780670, 85561340]

約数ペア:

[(1, 85561340), (2, 42780670), (4, 21390335), (5, 17112268), (10, 8556134), (17, 5033020), (20, 4278067), (34, 2516510), (68, 1258255), (85, 1006604), (113, 757180), (131, 653140), (170, 503302), (226, 378590), (262, 326570), (289, 296060), (340, 251651), (452, 189295), (524, 163285), (565, 151436), (578, 148030), (655, 130628), (1130, 75718), (1156, 74015), (1310, 65314), (1445, 59212), (1921, 44540), (2227, 38420), (2260, 37859), (2620, 32657), (2890, 29606), (3842, 22270), (4454, 19210), (5780, 14803), (7684, 11135), (8908, 9605)]