201990770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1967

約数の個数: 48

約数和(自身を含む): 396877320

約数和(自身を除く): 194886550

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 289, 370, 578, 629, 1258, 1445, 1889, 2890, 3145, 3778, 6290, 9445, 10693, 18890, 21386, 32113, 53465, 64226, 69893, 106930, 139786, 160565, 321130, 349465, 545921, 698930, 1091842, 1188181, 2376362, 2729605, 5459210, 5940905, 11881810, 20199077, 40398154, 100995385, 201990770]

約数ペア:

[(1, 201990770), (2, 100995385), (5, 40398154), (10, 20199077), (17, 11881810), (34, 5940905), (37, 5459210), (74, 2729605), (85, 2376362), (170, 1188181), (185, 1091842), (289, 698930), (370, 545921), (578, 349465), (629, 321130), (1258, 160565), (1445, 139786), (1889, 106930), (2890, 69893), (3145, 64226), (3778, 53465), (6290, 32113), (9445, 21386), (10693, 18890)]