144894620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17977}}^1$

素因数の和:18030

約数の個数: 48

約数和(自身を含む): 338274048

約数和(自身を除く): 193379428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 17977, 35954, 71908, 89885, 179770, 233701, 359540, 467402, 557287, 934804, 1114574, 1168505, 2229148, 2337010, 2786435, 4674020, 5572870, 7244731, 11145740, 14489462, 28978924, 36223655, 72447310, 144894620]

約数ペア:

[(1, 144894620), (2, 72447310), (4, 36223655), (5, 28978924), (10, 14489462), (13, 11145740), (20, 7244731), (26, 5572870), (31, 4674020), (52, 2786435), (62, 2337010), (65, 2229148), (124, 1168505), (130, 1114574), (155, 934804), (260, 557287), (310, 467402), (403, 359540), (620, 233701), (806, 179770), (1612, 89885), (2015, 71908), (4030, 35954), (8060, 17977)]