28151670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 70076160

約数和(自身を除く): 41924490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 139, 157, 215, 258, 278, 314, 417, 430, 471, 645, 695, 785, 834, 942, 1290, 1390, 1570, 2085, 2355, 4170, 4710, 5977, 6751, 11954, 13502, 17931, 20253, 21823, 29885, 33755, 35862, 40506, 43646, 59770, 65469, 67510, 89655, 101265, 109115, 130938, 179310, 202530, 218230, 327345, 654690, 938389, 1876778, 2815167, 4691945, 5630334, 9383890, 14075835, 28151670]

約数ペア:

[(1, 28151670), (2, 14075835), (3, 9383890), (5, 5630334), (6, 4691945), (10, 2815167), (15, 1876778), (30, 938389), (43, 654690), (86, 327345), (129, 218230), (139, 202530), (157, 179310), (215, 130938), (258, 109115), (278, 101265), (314, 89655), (417, 67510), (430, 65469), (471, 59770), (645, 43646), (695, 40506), (785, 35862), (834, 33755), (942, 29885), (1290, 21823), (1390, 20253), (1570, 17931), (2085, 13502), (2355, 11954), (4170, 6751), (4710, 5977)]