128178550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 249202800

約数和(自身を除く): 121024250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 109, 145, 218, 290, 545, 725, 811, 1090, 1450, 1622, 2725, 3161, 4055, 5450, 6322, 8110, 15805, 20275, 23519, 31610, 40550, 47038, 79025, 88399, 117595, 158050, 176798, 235190, 441995, 587975, 883990, 1175950, 2209975, 2563571, 4419950, 5127142, 12817855, 25635710, 64089275, 128178550]

約数ペア:

[(1, 128178550), (2, 64089275), (5, 25635710), (10, 12817855), (25, 5127142), (29, 4419950), (50, 2563571), (58, 2209975), (109, 1175950), (145, 883990), (218, 587975), (290, 441995), (545, 235190), (725, 176798), (811, 158050), (1090, 117595), (1450, 88399), (1622, 79025), (2725, 47038), (3161, 40550), (4055, 31610), (5450, 23519), (6322, 20275), (8110, 15805)]