71321630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 145566720

約数和(自身を除く): 74245090

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 71, 85, 95, 142, 170, 190, 311, 323, 355, 622, 646, 710, 1207, 1349, 1555, 1615, 2414, 2698, 3110, 3230, 5287, 5909, 6035, 6745, 10574, 11818, 12070, 13490, 22081, 22933, 26435, 29545, 44162, 45866, 52870, 59090, 100453, 110405, 114665, 200906, 220810, 229330, 375377, 419539, 502265, 750754, 839078, 1004530, 1876885, 2097695, 3753770, 4195390, 7132163, 14264326, 35660815, 71321630]

約数ペア:

[(1, 71321630), (2, 35660815), (5, 14264326), (10, 7132163), (17, 4195390), (19, 3753770), (34, 2097695), (38, 1876885), (71, 1004530), (85, 839078), (95, 750754), (142, 502265), (170, 419539), (190, 375377), (311, 229330), (323, 220810), (355, 200906), (622, 114665), (646, 110405), (710, 100453), (1207, 59090), (1349, 52870), (1555, 45866), (1615, 44162), (2414, 29545), (2698, 26435), (3110, 22933), (3230, 22081), (5287, 13490), (5909, 12070), (6035, 11818), (6745, 10574)]