175536820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{809}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 213651980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 571, 809, 1142, 1618, 2284, 2855, 3236, 4045, 5710, 8090, 10849, 11420, 15371, 16180, 21698, 30742, 43396, 54245, 61484, 76855, 108490, 153710, 216980, 307420, 461939, 923878, 1847756, 2309695, 4619390, 8776841, 9238780, 17553682, 35107364, 43884205, 87768410, 175536820]

約数ペア:

[(1, 175536820), (2, 87768410), (4, 43884205), (5, 35107364), (10, 17553682), (19, 9238780), (20, 8776841), (38, 4619390), (76, 2309695), (95, 1847756), (190, 923878), (380, 461939), (571, 307420), (809, 216980), (1142, 153710), (1618, 108490), (2284, 76855), (2855, 61484), (3236, 54245), (4045, 43396), (5710, 30742), (8090, 21698), (10849, 16180), (11420, 15371)]