388485780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{340777}}^1$

素因数の和:340808

約数の個数: 48

約数和(自身を含む): 1145014080

約数和(自身を除く): 756528300

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, 340777, 681554, 1022331, 1363108, 1703885, 2044662, 3407770, 4089324, 5111655, 6474763, 6815540, 10223310, 12949526, 19424289, 20446620, 25899052, 32373815, 38848578, 64747630, 77697156, 97121445, 129495260, 194242890, 388485780]

約数ペア:

[(1, 388485780), (2, 194242890), (3, 129495260), (4, 97121445), (5, 77697156), (6, 64747630), (10, 38848578), (12, 32373815), (15, 25899052), (19, 20446620), (20, 19424289), (30, 12949526), (38, 10223310), (57, 6815540), (60, 6474763), (76, 5111655), (95, 4089324), (114, 3407770), (190, 2044662), (228, 1703885), (285, 1363108), (380, 1022331), (570, 681554), (1140, 340777)]