222973900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 495412736

約数和(自身を除く): 272438836

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 127, 181, 194, 254, 362, 388, 485, 508, 635, 724, 905, 970, 1270, 1810, 1940, 2425, 2540, 3175, 3620, 4525, 4850, 6350, 9050, 9700, 12319, 12700, 17557, 18100, 22987, 24638, 35114, 45974, 49276, 61595, 70228, 87785, 91948, 114935, 123190, 175570, 229870, 246380, 307975, 351140, 438925, 459740, 574675, 615950, 877850, 1149350, 1231900, 1755700, 2229739, 2298700, 4459478, 8918956, 11148695, 22297390, 44594780, 55743475, 111486950, 222973900]

約数ペア:

[(1, 222973900), (2, 111486950), (4, 55743475), (5, 44594780), (10, 22297390), (20, 11148695), (25, 8918956), (50, 4459478), (97, 2298700), (100, 2229739), (127, 1755700), (181, 1231900), (194, 1149350), (254, 877850), (362, 615950), (388, 574675), (485, 459740), (508, 438925), (635, 351140), (724, 307975), (905, 246380), (970, 229870), (1270, 175570), (1810, 123190), (1940, 114935), (2425, 91948), (2540, 87785), (3175, 70228), (3620, 61595), (4525, 49276), (4850, 45974), (6350, 35114), (9050, 24638), (9700, 22987), (12319, 18100), (12700, 17557)]