213194620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11831}}^1$

素因数の和:11910

約数の個数: 48

約数和(自身を含む): 483029568

約数和(自身を除く): 269834948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 11831, 18020, 23662, 47324, 59155, 118310, 201127, 236620, 402254, 627043, 804508, 1005635, 1254086, 2011270, 2508172, 3135215, 4022540, 6270430, 10659731, 12540860, 21319462, 42638924, 53298655, 106597310, 213194620]

約数ペア:

[(1, 213194620), (2, 106597310), (4, 53298655), (5, 42638924), (10, 21319462), (17, 12540860), (20, 10659731), (34, 6270430), (53, 4022540), (68, 3135215), (85, 2508172), (106, 2011270), (170, 1254086), (212, 1005635), (265, 804508), (340, 627043), (530, 402254), (901, 236620), (1060, 201127), (1802, 118310), (3604, 59155), (4505, 47324), (9010, 23662), (11831, 18020)]