836149020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1990831}}^1$

素因数の和:1990850

約数の個数: 48

約数和(自身を含む): 2675678208

約数和(自身を除く): 1839529188

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, 1990831, 3981662, 5972493, 7963324, 9954155, 11944986, 13935817, 19908310, 23889972, 27871634, 29862465, 39816620, 41807451, 55743268, 59724930, 69679085, 83614902, 119449860, 139358170, 167229804, 209037255, 278716340, 418074510, 836149020]

約数ペア:

[(1, 836149020), (2, 418074510), (3, 278716340), (4, 209037255), (5, 167229804), (6, 139358170), (7, 119449860), (10, 83614902), (12, 69679085), (14, 59724930), (15, 55743268), (20, 41807451), (21, 39816620), (28, 29862465), (30, 27871634), (35, 23889972), (42, 19908310), (60, 13935817), (70, 11944986), (84, 9954155), (105, 7963324), (140, 5972493), (210, 3981662), (420, 1990831)]