7488980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 16644096

約数和(自身を除く): 9155116

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 257, 310, 470, 514, 620, 940, 1028, 1285, 1457, 2570, 2914, 5140, 5828, 7285, 7967, 12079, 14570, 15934, 24158, 29140, 31868, 39835, 48316, 60395, 79670, 120790, 159340, 241580, 374449, 748898, 1497796, 1872245, 3744490, 7488980]

約数ペア:

[(1, 7488980), (2, 3744490), (4, 1872245), (5, 1497796), (10, 748898), (20, 374449), (31, 241580), (47, 159340), (62, 120790), (94, 79670), (124, 60395), (155, 48316), (188, 39835), (235, 31868), (257, 29140), (310, 24158), (470, 15934), (514, 14570), (620, 12079), (940, 7967), (1028, 7285), (1285, 5828), (1457, 5140), (2570, 2914)]