258129340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{23339}}^1$

素因数の和:23434

約数の個数: 48

約数和(自身を含む): 627379200

約数和(自身を除く): 369249860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 23339, 46678, 93356, 116695, 163373, 233390, 326746, 466780, 653492, 816865, 1633730, 1843781, 3267460, 3687562, 7375124, 9218905, 12906467, 18437810, 25812934, 36875620, 51625868, 64532335, 129064670, 258129340]

約数ペア:

[(1, 258129340), (2, 129064670), (4, 64532335), (5, 51625868), (7, 36875620), (10, 25812934), (14, 18437810), (20, 12906467), (28, 9218905), (35, 7375124), (70, 3687562), (79, 3267460), (140, 1843781), (158, 1633730), (316, 816865), (395, 653492), (553, 466780), (790, 326746), (1106, 233390), (1580, 163373), (2212, 116695), (2765, 93356), (5530, 46678), (11060, 23339)]