280768890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4877}}^1$

素因数の和:5007

約数の個数: 64

約数和(自身を含む): 716480640

約数和(自身を除く): 435711750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 202, 285, 303, 505, 570, 606, 1010, 1515, 1919, 3030, 3838, 4877, 5757, 9595, 9754, 11514, 14631, 19190, 24385, 28785, 29262, 48770, 57570, 73155, 92663, 146310, 185326, 277989, 463315, 492577, 555978, 926630, 985154, 1389945, 1477731, 2462885, 2779890, 2955462, 4925770, 7388655, 9358963, 14777310, 18717926, 28076889, 46794815, 56153778, 93589630, 140384445, 280768890]

約数ペア:

[(1, 280768890), (2, 140384445), (3, 93589630), (5, 56153778), (6, 46794815), (10, 28076889), (15, 18717926), (19, 14777310), (30, 9358963), (38, 7388655), (57, 4925770), (95, 2955462), (101, 2779890), (114, 2462885), (190, 1477731), (202, 1389945), (285, 985154), (303, 926630), (505, 555978), (570, 492577), (606, 463315), (1010, 277989), (1515, 185326), (1919, 146310), (3030, 92663), (3838, 73155), (4877, 57570), (5757, 48770), (9595, 29262), (9754, 28785), (11514, 24385), (14631, 19190)]