719467580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 1676505600

約数和(自身を除く): 957038020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 109, 130, 212, 218, 260, 265, 436, 479, 530, 545, 689, 958, 1060, 1090, 1378, 1417, 1916, 2180, 2395, 2756, 2834, 3445, 4790, 5668, 5777, 6227, 6890, 7085, 9580, 11554, 12454, 13780, 14170, 23108, 24908, 25387, 28340, 28885, 31135, 50774, 52211, 57770, 62270, 75101, 101548, 104422, 115540, 124540, 126935, 150202, 208844, 253870, 261055, 300404, 330031, 375505, 507740, 522110, 660062, 678743, 751010, 1044220, 1320124, 1357486, 1502020, 1650155, 2714972, 2767183, 3300310, 3393715, 5534366, 6600620, 6787430, 11068732, 13574860, 13835915, 27671830, 35973379, 55343660, 71946758, 143893516, 179866895, 359733790, 719467580]

約数ペア:

[(1, 719467580), (2, 359733790), (4, 179866895), (5, 143893516), (10, 71946758), (13, 55343660), (20, 35973379), (26, 27671830), (52, 13835915), (53, 13574860), (65, 11068732), (106, 6787430), (109, 6600620), (130, 5534366), (212, 3393715), (218, 3300310), (260, 2767183), (265, 2714972), (436, 1650155), (479, 1502020), (530, 1357486), (545, 1320124), (689, 1044220), (958, 751010), (1060, 678743), (1090, 660062), (1378, 522110), (1417, 507740), (1916, 375505), (2180, 330031), (2395, 300404), (2756, 261055), (2834, 253870), (3445, 208844), (4790, 150202), (5668, 126935), (5777, 124540), (6227, 115540), (6890, 104422), (7085, 101548), (9580, 75101), (11554, 62270), (12454, 57770), (13780, 52211), (14170, 50774), (23108, 31135), (24908, 28885), (25387, 28340)]