1407940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 3238704

約数和(自身を除く): 1830764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 101, 164, 170, 202, 205, 340, 404, 410, 505, 697, 820, 1010, 1394, 1717, 2020, 2788, 3434, 3485, 4141, 6868, 6970, 8282, 8585, 13940, 16564, 17170, 20705, 34340, 41410, 70397, 82820, 140794, 281588, 351985, 703970, 1407940]

約数ペア:

[(1, 1407940), (2, 703970), (4, 351985), (5, 281588), (10, 140794), (17, 82820), (20, 70397), (34, 41410), (41, 34340), (68, 20705), (82, 17170), (85, 16564), (101, 13940), (164, 8585), (170, 8282), (202, 6970), (205, 6868), (340, 4141), (404, 3485), (410, 3434), (505, 2788), (697, 2020), (820, 1717), (1010, 1394)]