245087180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 567226800

約数和(自身を除く): 322139620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 236, 260, 295, 338, 590, 676, 767, 845, 1180, 1229, 1534, 1690, 2458, 3068, 3380, 3835, 4916, 6145, 7670, 9971, 12290, 15340, 15977, 19942, 24580, 31954, 39884, 49855, 63908, 72511, 79885, 99710, 145022, 159770, 199420, 207701, 290044, 319540, 362555, 415402, 725110, 830804, 942643, 1038505, 1450220, 1885286, 2077010, 3770572, 4154020, 4713215, 9426430, 12254359, 18852860, 24508718, 49017436, 61271795, 122543590, 245087180]

約数ペア:

[(1, 245087180), (2, 122543590), (4, 61271795), (5, 49017436), (10, 24508718), (13, 18852860), (20, 12254359), (26, 9426430), (52, 4713215), (59, 4154020), (65, 3770572), (118, 2077010), (130, 1885286), (169, 1450220), (236, 1038505), (260, 942643), (295, 830804), (338, 725110), (590, 415402), (676, 362555), (767, 319540), (845, 290044), (1180, 207701), (1229, 199420), (1534, 159770), (1690, 145022), (2458, 99710), (3068, 79885), (3380, 72511), (3835, 63908), (4916, 49855), (6145, 39884), (7670, 31954), (9971, 24580), (12290, 19942), (15340, 15977)]