320427310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 673795584

約数和(自身を除く): 353368274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 131, 166, 262, 415, 421, 581, 655, 830, 842, 917, 1162, 1310, 1834, 2105, 2905, 2947, 4210, 4585, 5810, 5894, 9170, 10873, 14735, 21746, 29470, 34943, 54365, 55151, 69886, 76111, 108730, 110302, 152222, 174715, 244601, 275755, 349430, 380555, 386057, 489202, 551510, 761110, 772114, 1223005, 1930285, 2446010, 3860570, 4577533, 9155066, 22887665, 32042731, 45775330, 64085462, 160213655, 320427310]

約数ペア:

[(1, 320427310), (2, 160213655), (5, 64085462), (7, 45775330), (10, 32042731), (14, 22887665), (35, 9155066), (70, 4577533), (83, 3860570), (131, 2446010), (166, 1930285), (262, 1223005), (415, 772114), (421, 761110), (581, 551510), (655, 489202), (830, 386057), (842, 380555), (917, 349430), (1162, 275755), (1310, 244601), (1834, 174715), (2105, 152222), (2905, 110302), (2947, 108730), (4210, 76111), (4585, 69886), (5810, 55151), (5894, 54365), (9170, 34943), (10873, 29470), (14735, 21746)]