31360420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17231}}^1$

素因数の和:17260

約数の個数: 48

約数和(自身を含む): 81059328

約数和(自身を除く): 49698908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17231, 34462, 68924, 86155, 120617, 172310, 224003, 241234, 344620, 448006, 482468, 603085, 896012, 1120015, 1206170, 1568021, 2240030, 2412340, 3136042, 4480060, 6272084, 7840105, 15680210, 31360420]

約数ペア:

[(1, 31360420), (2, 15680210), (4, 7840105), (5, 6272084), (7, 4480060), (10, 3136042), (13, 2412340), (14, 2240030), (20, 1568021), (26, 1206170), (28, 1120015), (35, 896012), (52, 603085), (65, 482468), (70, 448006), (91, 344620), (130, 241234), (140, 224003), (182, 172310), (260, 120617), (364, 86155), (455, 68924), (910, 34462), (1820, 17231)]