31080140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17077}}^1$

素因数の和:17106

約数の個数: 48

約数和(自身を含む): 80334912

約数和(自身を除く): 49254772

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, 17077, 34154, 68308, 85385, 119539, 170770, 222001, 239078, 341540, 444002, 478156, 597695, 888004, 1110005, 1195390, 1554007, 2220010, 2390780, 3108014, 4440020, 6216028, 7770035, 15540070, 31080140]

約数ペア:

[(1, 31080140), (2, 15540070), (4, 7770035), (5, 6216028), (7, 4440020), (10, 3108014), (13, 2390780), (14, 2220010), (20, 1554007), (26, 1195390), (28, 1110005), (35, 888004), (52, 597695), (65, 478156), (70, 444002), (91, 341540), (130, 239078), (140, 222001), (182, 170770), (260, 119539), (364, 85385), (455, 68308), (910, 34154), (1820, 17077)]