201996245870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{947}}^1\times {\mathrm{2027}}^1$

素因数の和:3617

約数の個数: 64

約数和(自身を含む): 386200638720

約数和(自身を除く): 184204392850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 619, 947, 1238, 1894, 2027, 3095, 4054, 4735, 6190, 9470, 10135, 10523, 16099, 20270, 21046, 32198, 34459, 52615, 68918, 80495, 105230, 160990, 172295, 344590, 586193, 1172386, 1254713, 1919569, 2509426, 2930965, 3839138, 5861930, 6273565, 9597845, 9965281, 12547130, 19195690, 19930562, 21330121, 32632673, 42660242, 49826405, 65265346, 99652810, 106650605, 163163365, 213301210, 326326730, 1188213211, 2376426422, 5941066055, 11882132110, 20199624587, 40399249174, 100998122935, 201996245870]

約数ペア:

[(1, 201996245870), (2, 100998122935), (5, 40399249174), (10, 20199624587), (17, 11882132110), (34, 5941066055), (85, 2376426422), (170, 1188213211), (619, 326326730), (947, 213301210), (1238, 163163365), (1894, 106650605), (2027, 99652810), (3095, 65265346), (4054, 49826405), (4735, 42660242), (6190, 32632673), (9470, 21330121), (10135, 19930562), (10523, 19195690), (16099, 12547130), (20270, 9965281), (21046, 9597845), (32198, 6273565), (34459, 5861930), (52615, 3839138), (68918, 2930965), (80495, 2509426), (105230, 1919569), (160990, 1254713), (172295, 1172386), (344590, 586193)]