280447355

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 74138245

約数列:

[1, 5, 47, 59, 113, 179, 235, 295, 565, 895, 2773, 5311, 6667, 8413, 10561, 13865, 20227, 26555, 33335, 42065, 52805, 101135, 313349, 496367, 950669, 1193393, 1566745, 2481835, 4753345, 5966965, 56089471, 280447355]

約数ペア:

[(1, 280447355), (5, 56089471), (47, 5966965), (59, 4753345), (113, 2481835), (179, 1566745), (235, 1193393), (295, 950669), (565, 496367), (895, 313349), (2773, 101135), (5311, 52805), (6667, 42065), (8413, 33335), (10561, 26555), (13865, 20227)]