718592020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{4159}}^1$

素因数の和:4384

約数の個数: 48

約数和(自身を含む): 1547320320

約数和(自身を除く): 828728300

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 530, 652, 815, 1060, 1630, 3260, 4159, 8318, 8639, 16636, 17278, 20795, 34556, 41590, 43195, 83180, 86390, 172780, 220427, 440854, 677917, 881708, 1102135, 1355834, 2204270, 2711668, 3389585, 4408540, 6779170, 13558340, 35929601, 71859202, 143718404, 179648005, 359296010, 718592020]

約数ペア:

[(1, 718592020), (2, 359296010), (4, 179648005), (5, 143718404), (10, 71859202), (20, 35929601), (53, 13558340), (106, 6779170), (163, 4408540), (212, 3389585), (265, 2711668), (326, 2204270), (530, 1355834), (652, 1102135), (815, 881708), (1060, 677917), (1630, 440854), (3260, 220427), (4159, 172780), (8318, 86390), (8639, 83180), (16636, 43195), (17278, 41590), (20795, 34556)]