280528052

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 586629120

約数和(自身を除く): 306101068

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 2212, 2449, 4091, 4898, 8182, 9796, 16364, 17143, 28637, 34286, 57274, 68572, 114548, 126821, 253642, 323189, 507284, 646378, 887747, 1292756, 1775494, 2262323, 3550988, 4524646, 9049292, 10018859, 20037718, 40075436, 70132013, 140264026, 280528052]

約数ペア:

[(1, 280528052), (2, 140264026), (4, 70132013), (7, 40075436), (14, 20037718), (28, 10018859), (31, 9049292), (62, 4524646), (79, 3550988), (124, 2262323), (158, 1775494), (217, 1292756), (316, 887747), (434, 646378), (553, 507284), (868, 323189), (1106, 253642), (2212, 126821), (2449, 114548), (4091, 68572), (4898, 57274), (8182, 34286), (9796, 28637), (16364, 17143)]