203950040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25117}}^1$

素因数の和:25164

約数の個数: 64

約数和(自身を含む): 542548800

約数和(自身を除く): 338598760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 25117, 50234, 100468, 125585, 175819, 200936, 251170, 351638, 502340, 703276, 728393, 879095, 1004680, 1406552, 1456786, 1758190, 2913572, 3516380, 3641965, 5098751, 5827144, 7032760, 7283930, 10197502, 14567860, 20395004, 25493755, 29135720, 40790008, 50987510, 101975020, 203950040]

約数ペア:

[(1, 203950040), (2, 101975020), (4, 50987510), (5, 40790008), (7, 29135720), (8, 25493755), (10, 20395004), (14, 14567860), (20, 10197502), (28, 7283930), (29, 7032760), (35, 5827144), (40, 5098751), (56, 3641965), (58, 3516380), (70, 2913572), (116, 1758190), (140, 1456786), (145, 1406552), (203, 1004680), (232, 879095), (280, 728393), (290, 703276), (406, 502340), (580, 351638), (812, 251170), (1015, 200936), (1160, 175819), (1624, 125585), (2030, 100468), (4060, 50234), (8120, 25117)]