2019976725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 3867377472

約数和(自身を除く): 1847400747

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 41, 65, 69, 75, 115, 123, 169, 195, 205, 299, 325, 345, 507, 533, 575, 615, 845, 897, 943, 975, 1025, 1495, 1599, 1725, 2197, 2535, 2665, 2829, 3075, 3887, 4225, 4485, 4715, 6591, 6929, 7475, 7995, 10985, 11661, 12259, 12675, 13325, 14145, 19435, 20787, 22425, 23575, 28561, 32955, 34645, 36777, 39975, 50531, 54925, 58305, 61295, 70725, 85683, 90077, 97175, 103935, 142805, 151593, 159367, 164775, 173225, 183885, 252655, 270231, 291525, 306475, 428415, 450385, 478101, 519675, 656903, 714025, 757965, 796835, 919425, 1171001, 1263275, 1351155, 1970709, 2071771, 2142075, 2251925, 2390505, 3284515, 3513003, 3789825, 3984175, 5855005, 6215313, 6755775, 9853545, 10358855, 11952525, 16422575, 17565015, 26933023, 29275025, 31076565, 49267725, 51794275, 80799069, 87825075, 134665115, 155382825, 403995345, 673325575, 2019976725]

約数ペア:

[(1, 2019976725), (3, 673325575), (5, 403995345), (13, 155382825), (15, 134665115), (23, 87825075), (25, 80799069), (39, 51794275), (41, 49267725), (65, 31076565), (69, 29275025), (75, 26933023), (115, 17565015), (123, 16422575), (169, 11952525), (195, 10358855), (205, 9853545), (299, 6755775), (325, 6215313), (345, 5855005), (507, 3984175), (533, 3789825), (575, 3513003), (615, 3284515), (845, 2390505), (897, 2251925), (943, 2142075), (975, 2071771), (1025, 1970709), (1495, 1351155), (1599, 1263275), (1725, 1171001), (2197, 919425), (2535, 796835), (2665, 757965), (2829, 714025), (3075, 656903), (3887, 519675), (4225, 478101), (4485, 450385), (4715, 428415), (6591, 306475), (6929, 291525), (7475, 270231), (7995, 252655), (10985, 183885), (11661, 173225), (12259, 164775), (12675, 159367), (13325, 151593), (14145, 142805), (19435, 103935), (20787, 97175), (22425, 90077), (23575, 85683), (28561, 70725), (32955, 61295), (34645, 58305), (36777, 54925), (39975, 50531)]