201916990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5683}}^1$

素因数の和:5737

約数の個数: 64

約数和(自身を含む): 441987840

約数和(自身を除く): 240070850

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 2090, 3230, 3553, 5683, 7106, 11366, 17765, 28415, 35530, 56830, 62513, 96611, 107977, 125026, 193222, 215954, 312565, 483055, 539885, 625130, 966110, 1062721, 1079770, 1187747, 1835609, 2125442, 2375494, 3671218, 5313605, 5938735, 9178045, 10627210, 11877470, 18356090, 20191699, 40383398, 100958495, 201916990]

約数ペア:

[(1, 201916990), (2, 100958495), (5, 40383398), (10, 20191699), (11, 18356090), (17, 11877470), (19, 10627210), (22, 9178045), (34, 5938735), (38, 5313605), (55, 3671218), (85, 2375494), (95, 2125442), (110, 1835609), (170, 1187747), (187, 1079770), (190, 1062721), (209, 966110), (323, 625130), (374, 539885), (418, 483055), (646, 312565), (935, 215954), (1045, 193222), (1615, 125026), (1870, 107977), (2090, 96611), (3230, 62513), (3553, 56830), (5683, 35530), (7106, 28415), (11366, 17765)]