138427600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20357}}^1$

素因数の和:20392

約数の個数: 60

約数和(自身を含む): 352152684

約数和(自身を除く): 213725084

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 346069, 407140, 508925, 692138, 814280, 1017850, 1384276, 1628560, 1730345, 2035700, 2768552, 3460690, 4071400, 5537104, 6921380, 8142800, 8651725, 13842760, 17303450, 27685520, 34606900, 69213800, 138427600]

約数ペア:

[(1, 138427600), (2, 69213800), (4, 34606900), (5, 27685520), (8, 17303450), (10, 13842760), (16, 8651725), (17, 8142800), (20, 6921380), (25, 5537104), (34, 4071400), (40, 3460690), (50, 2768552), (68, 2035700), (80, 1730345), (85, 1628560), (100, 1384276), (136, 1017850), (170, 814280), (200, 692138), (272, 508925), (340, 407140), (400, 346069), (425, 325712), (680, 203570), (850, 162856), (1360, 101785), (1700, 81428), (3400, 40714), (6800, 20357)]