77998420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 174565440

約数和(自身を除く): 96567020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2473, 3154, 4946, 6308, 7885, 9892, 12365, 15770, 24730, 31540, 46987, 49460, 93974, 187948, 205259, 234935, 410518, 469870, 821036, 939740, 1026295, 2052590, 3899921, 4105180, 7799842, 15599684, 19499605, 38999210, 77998420]

約数ペア:

[(1, 77998420), (2, 38999210), (4, 19499605), (5, 15599684), (10, 7799842), (19, 4105180), (20, 3899921), (38, 2052590), (76, 1026295), (83, 939740), (95, 821036), (166, 469870), (190, 410518), (332, 234935), (380, 205259), (415, 187948), (830, 93974), (1577, 49460), (1660, 46987), (2473, 31540), (3154, 24730), (4946, 15770), (6308, 12365), (7885, 9892)]