247487440

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{24359}}^1$

素因数の和:24499

約数の個数: 40

約数和(自身を含む): 579962880

約数和(自身を除く): 332475440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 24359, 48718, 97436, 121795, 194872, 243590, 389744, 487180, 974360, 1948720, 3093593, 6187186, 12374372, 15467965, 24748744, 30935930, 49497488, 61871860, 123743720, 247487440]

約数ペア:

[(1, 247487440), (2, 123743720), (4, 61871860), (5, 49497488), (8, 30935930), (10, 24748744), (16, 15467965), (20, 12374372), (40, 6187186), (80, 3093593), (127, 1948720), (254, 974360), (508, 487180), (635, 389744), (1016, 243590), (1270, 194872), (2032, 121795), (2540, 97436), (5080, 48718), (10160, 24359)]