28842380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 74214000

約数和(自身を除く): 45371620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1549, 1862, 2660, 3098, 3724, 4655, 6196, 7745, 9310, 10843, 15490, 18620, 21686, 29431, 30980, 43372, 54215, 58862, 75901, 108430, 117724, 147155, 151802, 206017, 216860, 294310, 303604, 379505, 412034, 588620, 759010, 824068, 1030085, 1442119, 1518020, 2060170, 2884238, 4120340, 5768476, 7210595, 14421190, 28842380]

約数ペア:

[(1, 28842380), (2, 14421190), (4, 7210595), (5, 5768476), (7, 4120340), (10, 2884238), (14, 2060170), (19, 1518020), (20, 1442119), (28, 1030085), (35, 824068), (38, 759010), (49, 588620), (70, 412034), (76, 379505), (95, 303604), (98, 294310), (133, 216860), (140, 206017), (190, 151802), (196, 147155), (245, 117724), (266, 108430), (380, 75901), (490, 58862), (532, 54215), (665, 43372), (931, 30980), (980, 29431), (1330, 21686), (1549, 18620), (1862, 15490), (2660, 10843), (3098, 9310), (3724, 7745), (4655, 6196)]