280802444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4003}}^1$

素因数の和:4110

約数の個数: 48

約数和(自身を含む): 565044480

約数和(自身を除く): 284242036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 4003, 5396, 8006, 16012, 17537, 35074, 52039, 70148, 76057, 104078, 152114, 208156, 284213, 304228, 568426, 988741, 1136852, 1977482, 3694769, 3954964, 5400047, 7389538, 10800094, 14779076, 21600188, 70200611, 140401222, 280802444]

約数ペア:

[(1, 280802444), (2, 140401222), (4, 70200611), (13, 21600188), (19, 14779076), (26, 10800094), (38, 7389538), (52, 5400047), (71, 3954964), (76, 3694769), (142, 1977482), (247, 1136852), (284, 988741), (494, 568426), (923, 304228), (988, 284213), (1349, 208156), (1846, 152114), (2698, 104078), (3692, 76057), (4003, 70148), (5396, 52039), (8006, 35074), (16012, 17537)]