7896700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 20311200

約数和(自身を除く): 12414500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 389, 406, 580, 700, 725, 778, 812, 1015, 1450, 1556, 1945, 2030, 2723, 2900, 3890, 4060, 5075, 5446, 7780, 9725, 10150, 10892, 11281, 13615, 19450, 20300, 22562, 27230, 38900, 45124, 54460, 56405, 68075, 78967, 112810, 136150, 157934, 225620, 272300, 282025, 315868, 394835, 564050, 789670, 1128100, 1579340, 1974175, 3948350, 7896700]

約数ペア:

[(1, 7896700), (2, 3948350), (4, 1974175), (5, 1579340), (7, 1128100), (10, 789670), (14, 564050), (20, 394835), (25, 315868), (28, 282025), (29, 272300), (35, 225620), (50, 157934), (58, 136150), (70, 112810), (100, 78967), (116, 68075), (140, 56405), (145, 54460), (175, 45124), (203, 38900), (290, 27230), (350, 22562), (389, 20300), (406, 19450), (580, 13615), (700, 11281), (725, 10892), (778, 10150), (812, 9725), (1015, 7780), (1450, 5446), (1556, 5075), (1945, 4060), (2030, 3890), (2723, 2900)]