908408090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 1792627200

約数和(自身を除く): 884219110

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 139, 170, 185, 278, 370, 629, 695, 1039, 1258, 1390, 2078, 2363, 3145, 4726, 5143, 5195, 6290, 10286, 10390, 11815, 17663, 23630, 25715, 35326, 38443, 51430, 76886, 87431, 88315, 144421, 174862, 176630, 192215, 288842, 384430, 437155, 653531, 722105, 874310, 1307062, 1444210, 2455157, 3267655, 4910314, 5343577, 6535310, 10687154, 12275785, 24551570, 26717885, 53435770, 90840809, 181681618, 454204045, 908408090]

約数ペア:

[(1, 908408090), (2, 454204045), (5, 181681618), (10, 90840809), (17, 53435770), (34, 26717885), (37, 24551570), (74, 12275785), (85, 10687154), (139, 6535310), (170, 5343577), (185, 4910314), (278, 3267655), (370, 2455157), (629, 1444210), (695, 1307062), (1039, 874310), (1258, 722105), (1390, 653531), (2078, 437155), (2363, 384430), (3145, 288842), (4726, 192215), (5143, 176630), (5195, 174862), (6290, 144421), (10286, 88315), (10390, 87431), (11815, 76886), (17663, 51430), (23630, 38443), (25715, 35326)]