201665380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 108

約数和(自身を含む): 516313980

約数和(自身を除く): 314648600

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 389, 460, 490, 529, 644, 778, 805, 980, 1058, 1127, 1556, 1610, 1945, 2116, 2254, 2645, 2723, 3220, 3703, 3890, 4508, 5290, 5446, 5635, 7406, 7780, 8947, 10580, 10892, 11270, 13615, 14812, 17894, 18515, 19061, 22540, 25921, 27230, 35788, 37030, 38122, 44735, 51842, 54460, 62629, 74060, 76244, 89470, 95305, 103684, 125258, 129605, 178940, 190610, 205781, 250516, 259210, 313145, 381220, 411562, 438403, 518420, 626290, 823124, 876806, 1028905, 1252580, 1440467, 1753612, 2057810, 2192015, 2880934, 4115620, 4384030, 5761868, 7202335, 8768060, 10083269, 14404670, 20166538, 28809340, 40333076, 50416345, 100832690, 201665380]

約数ペア:

[(1, 201665380), (2, 100832690), (4, 50416345), (5, 40333076), (7, 28809340), (10, 20166538), (14, 14404670), (20, 10083269), (23, 8768060), (28, 7202335), (35, 5761868), (46, 4384030), (49, 4115620), (70, 2880934), (92, 2192015), (98, 2057810), (115, 1753612), (140, 1440467), (161, 1252580), (196, 1028905), (230, 876806), (245, 823124), (322, 626290), (389, 518420), (460, 438403), (490, 411562), (529, 381220), (644, 313145), (778, 259210), (805, 250516), (980, 205781), (1058, 190610), (1127, 178940), (1556, 129605), (1610, 125258), (1945, 103684), (2116, 95305), (2254, 89470), (2645, 76244), (2723, 74060), (3220, 62629), (3703, 54460), (3890, 51842), (4508, 44735), (5290, 38122), (5446, 37030), (5635, 35788), (7406, 27230), (7780, 25921), (8947, 22540), (10580, 19061), (10892, 18515), (11270, 17894), (13615, 14812)]