388349220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{924641}}^1$

素因数の和:924660

約数の個数: 48

約数和(自身を含む): 1242718848

約数和(自身を除く): 854369628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 924641, 1849282, 2773923, 3698564, 4623205, 5547846, 6472487, 9246410, 11095692, 12944974, 13869615, 18492820, 19417461, 25889948, 27739230, 32362435, 38834922, 55478460, 64724870, 77669844, 97087305, 129449740, 194174610, 388349220]

約数ペア:

[(1, 388349220), (2, 194174610), (3, 129449740), (4, 97087305), (5, 77669844), (6, 64724870), (7, 55478460), (10, 38834922), (12, 32362435), (14, 27739230), (15, 25889948), (20, 19417461), (21, 18492820), (28, 13869615), (30, 12944974), (35, 11095692), (42, 9246410), (60, 6472487), (70, 5547846), (84, 4623205), (105, 3698564), (140, 2773923), (210, 1849282), (420, 924641)]