7658900380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{21283}}^1$

素因数の和:22258

約数の個数: 48

約数和(自身を含む): 16948874880

約数和(自身を除く): 9289974500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 947, 1894, 3788, 4735, 9470, 17993, 18940, 21283, 35986, 42566, 71972, 85132, 89965, 106415, 179930, 212830, 359860, 404377, 425660, 808754, 1617508, 2021885, 4043770, 8087540, 20155001, 40310002, 80620004, 100775005, 201550010, 382945019, 403100020, 765890038, 1531780076, 1914725095, 3829450190, 7658900380]

約数ペア:

[(1, 7658900380), (2, 3829450190), (4, 1914725095), (5, 1531780076), (10, 765890038), (19, 403100020), (20, 382945019), (38, 201550010), (76, 100775005), (95, 80620004), (190, 40310002), (380, 20155001), (947, 8087540), (1894, 4043770), (3788, 2021885), (4735, 1617508), (9470, 808754), (17993, 425660), (18940, 404377), (21283, 359860), (35986, 212830), (42566, 179930), (71972, 106415), (85132, 89965)]