205642290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1721}}^1$

素因数の和:2307

約数の個数: 64

約数和(自身を含む): 565367040

約数和(自身を除く): 359724750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 569, 1138, 1707, 1721, 2845, 3414, 3442, 3983, 5163, 5690, 7966, 8535, 8605, 10326, 11949, 12047, 17070, 17210, 19915, 23898, 24094, 25815, 36141, 39830, 51630, 59745, 60235, 72282, 119490, 120470, 180705, 361410, 979249, 1958498, 2937747, 4896245, 5875494, 6854743, 9792490, 13709486, 14688735, 20564229, 29377470, 34273715, 41128458, 68547430, 102821145, 205642290]

約数ペア:

[(1, 205642290), (2, 102821145), (3, 68547430), (5, 41128458), (6, 34273715), (7, 29377470), (10, 20564229), (14, 14688735), (15, 13709486), (21, 9792490), (30, 6854743), (35, 5875494), (42, 4896245), (70, 2937747), (105, 1958498), (210, 979249), (569, 361410), (1138, 180705), (1707, 120470), (1721, 119490), (2845, 72282), (3414, 60235), (3442, 59745), (3983, 51630), (5163, 39830), (5690, 36141), (7966, 25815), (8535, 24094), (8605, 23898), (10326, 19915), (11949, 17210), (12047, 17070)]