440728092

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2531}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 1275560832

約数和(自身を除く): 834832740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 691, 1382, 2073, 2531, 2764, 4146, 4837, 5062, 6219, 7593, 8292, 9674, 10124, 12438, 14511, 15186, 17717, 19348, 22779, 24876, 29022, 30372, 35434, 43533, 45558, 53151, 58044, 70868, 87066, 91116, 106302, 159453, 174132, 212604, 318906, 637812, 1748921, 3497842, 5246763, 6995684, 10493526, 12242447, 15740289, 20987052, 24484894, 31480578, 36727341, 48969788, 62961156, 73454682, 110182023, 146909364, 220364046, 440728092]

約数ペア:

[(1, 440728092), (2, 220364046), (3, 146909364), (4, 110182023), (6, 73454682), (7, 62961156), (9, 48969788), (12, 36727341), (14, 31480578), (18, 24484894), (21, 20987052), (28, 15740289), (36, 12242447), (42, 10493526), (63, 6995684), (84, 5246763), (126, 3497842), (252, 1748921), (691, 637812), (1382, 318906), (2073, 212604), (2531, 174132), (2764, 159453), (4146, 106302), (4837, 91116), (5062, 87066), (6219, 70868), (7593, 58044), (8292, 53151), (9674, 45558), (10124, 43533), (12438, 35434), (14511, 30372), (15186, 29022), (17717, 24876), (19348, 22779)]