919059540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2188237}}^1$

素因数の和:2188256

約数の個数: 48

約数和(自身を含む): 2940991872

約数和(自身を除く): 2021932332

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, 2188237, 4376474, 6564711, 8752948, 10941185, 13129422, 15317659, 21882370, 26258844, 30635318, 32823555, 43764740, 45952977, 61270636, 65647110, 76588295, 91905954, 131294220, 153176590, 183811908, 229764885, 306353180, 459529770, 919059540]

約数ペア:

[(1, 919059540), (2, 459529770), (3, 306353180), (4, 229764885), (5, 183811908), (6, 153176590), (7, 131294220), (10, 91905954), (12, 76588295), (14, 65647110), (15, 61270636), (20, 45952977), (21, 43764740), (28, 32823555), (30, 30635318), (35, 26258844), (42, 21882370), (60, 15317659), (70, 13129422), (84, 10941185), (105, 8752948), (140, 6564711), (210, 4376474), (420, 2188237)]