229909900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4519

約数の個数: 72

約数和(自身を含む): 555964416

約数和(自身を除く): 326054516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 470, 517, 550, 940, 1034, 1100, 1175, 2068, 2350, 2585, 4447, 4700, 5170, 8894, 10340, 12925, 17788, 22235, 25850, 44470, 48917, 51700, 88940, 97834, 111175, 195668, 209009, 222350, 244585, 418018, 444700, 489170, 836036, 978340, 1045045, 1222925, 2090090, 2299099, 2445850, 4180180, 4598198, 4891700, 5225225, 9196396, 10450450, 11495495, 20900900, 22990990, 45981980, 57477475, 114954950, 229909900]

約数ペア:

[(1, 229909900), (2, 114954950), (4, 57477475), (5, 45981980), (10, 22990990), (11, 20900900), (20, 11495495), (22, 10450450), (25, 9196396), (44, 5225225), (47, 4891700), (50, 4598198), (55, 4180180), (94, 2445850), (100, 2299099), (110, 2090090), (188, 1222925), (220, 1045045), (235, 978340), (275, 836036), (470, 489170), (517, 444700), (550, 418018), (940, 244585), (1034, 222350), (1100, 209009), (1175, 195668), (2068, 111175), (2350, 97834), (2585, 88940), (4447, 51700), (4700, 48917), (5170, 44470), (8894, 25850), (10340, 22235), (12925, 17788)]