28742300

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1670

約数の個数: 36

約数和(自身を含む): 62730360

約数和(自身を除く): 33988060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1459, 1970, 2918, 3940, 4925, 5836, 7295, 9850, 14590, 19700, 29180, 36475, 72950, 145900, 287423, 574846, 1149692, 1437115, 2874230, 5748460, 7185575, 14371150, 28742300]

約数ペア:

[(1, 28742300), (2, 14371150), (4, 7185575), (5, 5748460), (10, 2874230), (20, 1437115), (25, 1149692), (50, 574846), (100, 287423), (197, 145900), (394, 72950), (788, 36475), (985, 29180), (1459, 19700), (1970, 14590), (2918, 9850), (3940, 7295), (4925, 5836)]