257622260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{2269}}^1$

素因数の和:3096

約数の個数: 48

約数和(自身を含む): 619328640

約数和(自身を除く): 361706380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1622, 2269, 3244, 4055, 4538, 5677, 8110, 9076, 11345, 11354, 15883, 16220, 22690, 22708, 28385, 31766, 45380, 56770, 63532, 79415, 113540, 158830, 317660, 1840159, 3680318, 7360636, 9200795, 12881113, 18401590, 25762226, 36803180, 51524452, 64405565, 128811130, 257622260]

約数ペア:

[(1, 257622260), (2, 128811130), (4, 64405565), (5, 51524452), (7, 36803180), (10, 25762226), (14, 18401590), (20, 12881113), (28, 9200795), (35, 7360636), (70, 3680318), (140, 1840159), (811, 317660), (1622, 158830), (2269, 113540), (3244, 79415), (4055, 63532), (4538, 56770), (5677, 45380), (8110, 31766), (9076, 28385), (11345, 22708), (11354, 22690), (15883, 16220)]