7478120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 18461520

約数和(自身を除く): 10983400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 197, 260, 292, 365, 394, 520, 584, 730, 788, 949, 985, 1460, 1576, 1898, 1970, 2561, 2920, 3796, 3940, 4745, 5122, 7592, 7880, 9490, 10244, 12805, 14381, 18980, 20488, 25610, 28762, 37960, 51220, 57524, 71905, 102440, 115048, 143810, 186953, 287620, 373906, 575240, 747812, 934765, 1495624, 1869530, 3739060, 7478120]

約数ペア:

[(1, 7478120), (2, 3739060), (4, 1869530), (5, 1495624), (8, 934765), (10, 747812), (13, 575240), (20, 373906), (26, 287620), (40, 186953), (52, 143810), (65, 115048), (73, 102440), (104, 71905), (130, 57524), (146, 51220), (197, 37960), (260, 28762), (292, 25610), (365, 20488), (394, 18980), (520, 14381), (584, 12805), (730, 10244), (788, 9490), (949, 7880), (985, 7592), (1460, 5122), (1576, 4745), (1898, 3940), (1970, 3796), (2561, 2920)]