189464380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:2003

約数の個数: 72

約数和(自身を含む): 467576928

約数和(自身を除く): 278112548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1877, 2060, 2884, 3605, 3754, 5047, 7210, 7508, 9385, 10094, 13139, 14420, 18770, 20188, 25235, 26278, 37540, 50470, 52556, 65695, 91973, 100940, 131390, 183946, 193331, 262780, 367892, 386662, 459865, 773324, 919730, 966655, 1353317, 1839460, 1933310, 2706634, 3866620, 5413268, 6766585, 9473219, 13533170, 18946438, 27066340, 37892876, 47366095, 94732190, 189464380]

約数ペア:

[(1, 189464380), (2, 94732190), (4, 47366095), (5, 37892876), (7, 27066340), (10, 18946438), (14, 13533170), (20, 9473219), (28, 6766585), (35, 5413268), (49, 3866620), (70, 2706634), (98, 1933310), (103, 1839460), (140, 1353317), (196, 966655), (206, 919730), (245, 773324), (412, 459865), (490, 386662), (515, 367892), (721, 262780), (980, 193331), (1030, 183946), (1442, 131390), (1877, 100940), (2060, 91973), (2884, 65695), (3605, 52556), (3754, 50470), (5047, 37540), (7210, 26278), (7508, 25235), (9385, 20188), (10094, 18770), (13139, 14420)]