280413780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{245977}}^1$

素因数の和:246008

約数の個数: 48

約数和(自身を含む): 826486080

約数和(自身を除く): 546072300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 245977, 491954, 737931, 983908, 1229885, 1475862, 2459770, 2951724, 3689655, 4673563, 4919540, 7379310, 9347126, 14020689, 14758620, 18694252, 23367815, 28041378, 46735630, 56082756, 70103445, 93471260, 140206890, 280413780]

約数ペア:

[(1, 280413780), (2, 140206890), (3, 93471260), (4, 70103445), (5, 56082756), (6, 46735630), (10, 28041378), (12, 23367815), (15, 18694252), (19, 14758620), (20, 14020689), (30, 9347126), (38, 7379310), (57, 4919540), (60, 4673563), (76, 3689655), (95, 2951724), (114, 2459770), (190, 1475862), (228, 1229885), (285, 983908), (380, 737931), (570, 491954), (1140, 245977)]