68477420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 158004000

約数和(自身を除く): 89526580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2089, 2980, 3278, 4178, 6556, 8195, 8356, 10445, 16390, 20890, 22979, 32780, 41780, 45958, 91916, 114895, 229790, 311261, 459580, 622522, 1245044, 1556305, 3112610, 3423871, 6225220, 6847742, 13695484, 17119355, 34238710, 68477420]

約数ペア:

[(1, 68477420), (2, 34238710), (4, 17119355), (5, 13695484), (10, 6847742), (11, 6225220), (20, 3423871), (22, 3112610), (44, 1556305), (55, 1245044), (110, 622522), (149, 459580), (220, 311261), (298, 229790), (596, 114895), (745, 91916), (1490, 45958), (1639, 41780), (2089, 32780), (2980, 22979), (3278, 20890), (4178, 16390), (6556, 10445), (8195, 8356)]