881840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 2092128

約数和(自身を除く): 1210288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 151, 292, 302, 365, 584, 604, 730, 755, 1168, 1208, 1460, 1510, 2416, 2920, 3020, 5840, 6040, 11023, 12080, 22046, 44092, 55115, 88184, 110230, 176368, 220460, 440920, 881840]

約数ペア:

[(1, 881840), (2, 440920), (4, 220460), (5, 176368), (8, 110230), (10, 88184), (16, 55115), (20, 44092), (40, 22046), (73, 12080), (80, 11023), (146, 6040), (151, 5840), (292, 3020), (302, 2920), (365, 2416), (584, 1510), (604, 1460), (730, 1208), (755, 1168)]