148996840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12889}}^1$

素因数の和:12934

約数の個数: 48

約数和(自身を含む): 356150700

約数和(自身を除く): 207153860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 12889, 25778, 51556, 64445, 103112, 128890, 219113, 257780, 438226, 515560, 876452, 1095565, 1752904, 2191130, 3724921, 4382260, 7449842, 8764520, 14899684, 18624605, 29799368, 37249210, 74498420, 148996840]

約数ペア:

[(1, 148996840), (2, 74498420), (4, 37249210), (5, 29799368), (8, 18624605), (10, 14899684), (17, 8764520), (20, 7449842), (34, 4382260), (40, 3724921), (68, 2191130), (85, 1752904), (136, 1095565), (170, 876452), (289, 515560), (340, 438226), (578, 257780), (680, 219113), (1156, 128890), (1445, 103112), (2312, 64445), (2890, 51556), (5780, 25778), (11560, 12889)]