201995530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 424258560

約数和(自身を除く): 222263030

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 109, 110, 170, 187, 218, 374, 545, 935, 991, 1090, 1199, 1853, 1870, 1982, 2398, 3706, 4955, 5995, 9265, 9910, 10901, 11990, 16847, 18530, 20383, 21802, 33694, 40766, 54505, 84235, 101915, 108019, 109010, 168470, 185317, 203830, 216038, 370634, 540095, 926585, 1080190, 1188209, 1836323, 1853170, 2376418, 3672646, 5941045, 9181615, 11882090, 18363230, 20199553, 40399106, 100997765, 201995530]

約数ペア:

[(1, 201995530), (2, 100997765), (5, 40399106), (10, 20199553), (11, 18363230), (17, 11882090), (22, 9181615), (34, 5941045), (55, 3672646), (85, 2376418), (109, 1853170), (110, 1836323), (170, 1188209), (187, 1080190), (218, 926585), (374, 540095), (545, 370634), (935, 216038), (991, 203830), (1090, 185317), (1199, 168470), (1853, 109010), (1870, 108019), (1982, 101915), (2398, 84235), (3706, 54505), (4955, 40766), (5995, 33694), (9265, 21802), (9910, 20383), (10901, 18530), (11990, 16847)]