397788380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{26987}}^1$

素因数の和:27074

約数の個数: 48

約数和(自身を含む): 924932736

約数和(自身を除く): 527144356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 7370, 14740, 26987, 53974, 107948, 134935, 269870, 296857, 539740, 593714, 1187428, 1484285, 1808129, 2968570, 3616258, 5937140, 7232516, 9040645, 18081290, 19889419, 36162580, 39778838, 79557676, 99447095, 198894190, 397788380]

約数ペア:

[(1, 397788380), (2, 198894190), (4, 99447095), (5, 79557676), (10, 39778838), (11, 36162580), (20, 19889419), (22, 18081290), (44, 9040645), (55, 7232516), (67, 5937140), (110, 3616258), (134, 2968570), (220, 1808129), (268, 1484285), (335, 1187428), (670, 593714), (737, 539740), (1340, 296857), (1474, 269870), (2948, 134935), (3685, 107948), (7370, 53974), (14740, 26987)]