29819740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 36859460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 809, 970, 1618, 1843, 1940, 3236, 3686, 4045, 7372, 8090, 9215, 15371, 16180, 18430, 30742, 36860, 61484, 76855, 78473, 153710, 156946, 307420, 313892, 392365, 784730, 1490987, 1569460, 2981974, 5963948, 7454935, 14909870, 29819740]

約数ペア:

[(1, 29819740), (2, 14909870), (4, 7454935), (5, 5963948), (10, 2981974), (19, 1569460), (20, 1490987), (38, 784730), (76, 392365), (95, 313892), (97, 307420), (190, 156946), (194, 153710), (380, 78473), (388, 76855), (485, 61484), (809, 36860), (970, 30742), (1618, 18430), (1843, 16180), (1940, 15371), (3236, 9215), (3686, 8090), (4045, 7372)]