490639210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{70393}}^1$

素因数の和:70458

約数の個数: 32

約数和(自身を含む): 957921552

約数和(自身を除く): 467282342

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 70393, 140786, 351965, 703930, 1196681, 2393362, 2886113, 5772226, 5983405, 11966810, 14430565, 28861130, 49063921, 98127842, 245319605, 490639210]

約数ペア:

[(1, 490639210), (2, 245319605), (5, 98127842), (10, 49063921), (17, 28861130), (34, 14430565), (41, 11966810), (82, 5983405), (85, 5772226), (170, 2886113), (205, 2393362), (410, 1196681), (697, 703930), (1394, 351965), (3485, 140786), (6970, 70393)]