201990510520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19001}}^1\times {\mathrm{8573}}^1$

素因数の和:27616

約数の個数: 64

約数和(自身を含む): 469218666240

約数和(自身を除く): 267228155720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8573, 17146, 19001, 34292, 38002, 42865, 68584, 76004, 85730, 95005, 152008, 171460, 190010, 265763, 342920, 380020, 531526, 589031, 760040, 1063052, 1178062, 1328815, 2126104, 2356124, 2657630, 2945155, 4712248, 5315260, 5890310, 10630520, 11780620, 23561240, 162895573, 325791146, 651582292, 814477865, 1303164584, 1628955730, 3257911460, 5049762763, 6515822920, 10099525526, 20199051052, 25248813815, 40398102104, 50497627630, 100995255260, 201990510520]

約数ペア:

[(1, 201990510520), (2, 100995255260), (4, 50497627630), (5, 40398102104), (8, 25248813815), (10, 20199051052), (20, 10099525526), (31, 6515822920), (40, 5049762763), (62, 3257911460), (124, 1628955730), (155, 1303164584), (248, 814477865), (310, 651582292), (620, 325791146), (1240, 162895573), (8573, 23561240), (17146, 11780620), (19001, 10630520), (34292, 5890310), (38002, 5315260), (42865, 4712248), (68584, 2945155), (76004, 2657630), (85730, 2356124), (95005, 2126104), (152008, 1328815), (171460, 1178062), (190010, 1063052), (265763, 760040), (342920, 589031), (380020, 531526)]