280571824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 616460544

約数和(自身を除く): 335888720

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 62, 104, 106, 124, 208, 212, 248, 403, 424, 496, 689, 806, 821, 848, 1378, 1612, 1642, 1643, 2756, 3224, 3284, 3286, 5512, 6448, 6568, 6572, 10673, 11024, 13136, 13144, 21346, 21359, 25451, 26288, 42692, 42718, 43513, 50902, 85384, 85436, 87026, 101804, 170768, 170872, 174052, 203608, 330863, 341744, 348104, 407216, 565669, 661726, 696208, 1131338, 1323452, 1348903, 2262676, 2646904, 2697806, 4525352, 5293808, 5395612, 9050704, 10791224, 17535739, 21582448, 35071478, 70142956, 140285912, 280571824]

約数ペア:

[(1, 280571824), (2, 140285912), (4, 70142956), (8, 35071478), (13, 21582448), (16, 17535739), (26, 10791224), (31, 9050704), (52, 5395612), (53, 5293808), (62, 4525352), (104, 2697806), (106, 2646904), (124, 2262676), (208, 1348903), (212, 1323452), (248, 1131338), (403, 696208), (424, 661726), (496, 565669), (689, 407216), (806, 348104), (821, 341744), (848, 330863), (1378, 203608), (1612, 174052), (1642, 170872), (1643, 170768), (2756, 101804), (3224, 87026), (3284, 85436), (3286, 85384), (5512, 50902), (6448, 43513), (6568, 42718), (6572, 42692), (10673, 26288), (11024, 25451), (13136, 21359), (13144, 21346)]