279202430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2469

約数の個数: 64

約数和(自身を含む): 578188800

約数和(自身を除く): 298986370

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1885, 2015, 2389, 3770, 4030, 4495, 4778, 8990, 11687, 11945, 23374, 23890, 31057, 58435, 62114, 69281, 74059, 116870, 138562, 148118, 155285, 310570, 346405, 370295, 692810, 740590, 900653, 962767, 1801306, 1925534, 2147711, 4295422, 4503265, 4813835, 9006530, 9627670, 10738555, 21477110, 27920243, 55840486, 139601215, 279202430]

約数ペア:

[(1, 279202430), (2, 139601215), (5, 55840486), (10, 27920243), (13, 21477110), (26, 10738555), (29, 9627670), (31, 9006530), (58, 4813835), (62, 4503265), (65, 4295422), (130, 2147711), (145, 1925534), (155, 1801306), (290, 962767), (310, 900653), (377, 740590), (403, 692810), (754, 370295), (806, 346405), (899, 310570), (1798, 155285), (1885, 148118), (2015, 138562), (2389, 116870), (3770, 74059), (4030, 69281), (4495, 62114), (4778, 58435), (8990, 31057), (11687, 23890), (11945, 23374)]