178392700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 399630672

約数和(自身を除く): 221237972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 97, 100, 106, 194, 212, 265, 347, 388, 485, 530, 694, 970, 1060, 1325, 1388, 1735, 1940, 2425, 2650, 3470, 4850, 5141, 5300, 6940, 8675, 9700, 10282, 17350, 18391, 20564, 25705, 33659, 34700, 36782, 51410, 67318, 73564, 91955, 102820, 128525, 134636, 168295, 183910, 257050, 336590, 367820, 459775, 514100, 673180, 841475, 919550, 1682950, 1783927, 1839100, 3365900, 3567854, 7135708, 8919635, 17839270, 35678540, 44598175, 89196350, 178392700]

約数ペア:

[(1, 178392700), (2, 89196350), (4, 44598175), (5, 35678540), (10, 17839270), (20, 8919635), (25, 7135708), (50, 3567854), (53, 3365900), (97, 1839100), (100, 1783927), (106, 1682950), (194, 919550), (212, 841475), (265, 673180), (347, 514100), (388, 459775), (485, 367820), (530, 336590), (694, 257050), (970, 183910), (1060, 168295), (1325, 134636), (1388, 128525), (1735, 102820), (1940, 91955), (2425, 73564), (2650, 67318), (3470, 51410), (4850, 36782), (5141, 34700), (5300, 33659), (6940, 25705), (8675, 20564), (9700, 18391), (10282, 17350)]