319820150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 687331008

約数和(自身を除く): 367510858

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 103, 130, 170, 206, 221, 281, 325, 425, 442, 515, 562, 650, 850, 1030, 1105, 1339, 1405, 1751, 2210, 2575, 2678, 2810, 3502, 3653, 4777, 5150, 5525, 6695, 7025, 7306, 8755, 9554, 11050, 13390, 14050, 17510, 18265, 22763, 23885, 28943, 33475, 36530, 43775, 45526, 47770, 57886, 62101, 66950, 87550, 91325, 113815, 119425, 124202, 144715, 182650, 227630, 238850, 289430, 310505, 376259, 492031, 569075, 621010, 723575, 752518, 984062, 1138150, 1447150, 1552525, 1881295, 2460155, 3105050, 3762590, 4920310, 6396403, 9406475, 12300775, 12792806, 18812950, 24601550, 31982015, 63964030, 159910075, 319820150]

約数ペア:

[(1, 319820150), (2, 159910075), (5, 63964030), (10, 31982015), (13, 24601550), (17, 18812950), (25, 12792806), (26, 12300775), (34, 9406475), (50, 6396403), (65, 4920310), (85, 3762590), (103, 3105050), (130, 2460155), (170, 1881295), (206, 1552525), (221, 1447150), (281, 1138150), (325, 984062), (425, 752518), (442, 723575), (515, 621010), (562, 569075), (650, 492031), (850, 376259), (1030, 310505), (1105, 289430), (1339, 238850), (1405, 227630), (1751, 182650), (2210, 144715), (2575, 124202), (2678, 119425), (2810, 113815), (3502, 91325), (3653, 87550), (4777, 66950), (5150, 62101), (5525, 57886), (6695, 47770), (7025, 45526), (7306, 43775), (8755, 36530), (9554, 33475), (11050, 28943), (13390, 23885), (14050, 22763), (17510, 18265)]