388252620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{308137}}^1$

素因数の和:308159

約数の個数: 72

約数和(自身を含む): 1345946784

約数和(自身を除く): 957694164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 308137, 616274, 924411, 1232548, 1540685, 1848822, 2156959, 2773233, 3081370, 3697644, 4313918, 4622055, 5546466, 6162740, 6470877, 8627836, 9244110, 10784795, 11092932, 12941754, 13866165, 18488220, 19412631, 21569590, 25883508, 27732330, 32354385, 38825262, 43139180, 55464660, 64708770, 77650524, 97063155, 129417540, 194126310, 388252620]

約数ペア:

[(1, 388252620), (2, 194126310), (3, 129417540), (4, 97063155), (5, 77650524), (6, 64708770), (7, 55464660), (9, 43139180), (10, 38825262), (12, 32354385), (14, 27732330), (15, 25883508), (18, 21569590), (20, 19412631), (21, 18488220), (28, 13866165), (30, 12941754), (35, 11092932), (36, 10784795), (42, 9244110), (45, 8627836), (60, 6470877), (63, 6162740), (70, 5546466), (84, 4622055), (90, 4313918), (105, 3697644), (126, 3081370), (140, 2773233), (180, 2156959), (210, 1848822), (252, 1540685), (315, 1232548), (420, 924411), (630, 616274), (1260, 308137)]