280099556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 550798080

約数和(自身を除く): 270698524

約数列:

[1, 2, 4, 11, 22, 44, 61, 79, 122, 158, 244, 316, 671, 869, 1321, 1342, 1738, 2642, 2684, 3476, 4819, 5284, 9638, 14531, 19276, 29062, 53009, 58124, 80581, 104359, 106018, 161162, 208718, 212036, 322324, 417436, 886391, 1147949, 1772782, 2295898, 3545564, 4591796, 6365899, 12731798, 25463596, 70024889, 140049778, 280099556]

約数ペア:

[(1, 280099556), (2, 140049778), (4, 70024889), (11, 25463596), (22, 12731798), (44, 6365899), (61, 4591796), (79, 3545564), (122, 2295898), (158, 1772782), (244, 1147949), (316, 886391), (671, 417436), (869, 322324), (1321, 212036), (1342, 208718), (1738, 161162), (2642, 106018), (2684, 104359), (3476, 80581), (4819, 58124), (5284, 53009), (9638, 29062), (14531, 19276)]