21339185200

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{549979}}^1$

素因数の和:550094

約数の個数: 60

約数和(自身を含む): 51796016440

約数和(自身を除く): 30456831240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1940, 2425, 3880, 4850, 7760, 9700, 19400, 38800, 549979, 1099958, 2199916, 2749895, 4399832, 5499790, 8799664, 10999580, 13749475, 21999160, 27498950, 43998320, 53347963, 54997900, 106695926, 109995800, 213391852, 219991600, 266739815, 426783704, 533479630, 853567408, 1066959260, 1333699075, 2133918520, 2667398150, 4267837040, 5334796300, 10669592600, 21339185200]

約数ペア:

[(1, 21339185200), (2, 10669592600), (4, 5334796300), (5, 4267837040), (8, 2667398150), (10, 2133918520), (16, 1333699075), (20, 1066959260), (25, 853567408), (40, 533479630), (50, 426783704), (80, 266739815), (97, 219991600), (100, 213391852), (194, 109995800), (200, 106695926), (388, 54997900), (400, 53347963), (485, 43998320), (776, 27498950), (970, 21999160), (1552, 13749475), (1940, 10999580), (2425, 8799664), (3880, 5499790), (4850, 4399832), (7760, 2749895), (9700, 2199916), (19400, 1099958), (38800, 549979)]