71995180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4621}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 163064160

約数和(自身を除く): 91068980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4621, 7790, 9242, 15580, 18484, 23105, 46210, 87799, 92420, 175598, 189461, 351196, 378922, 438995, 757844, 877990, 947305, 1755980, 1894610, 3599759, 3789220, 7199518, 14399036, 17998795, 35997590, 71995180]

約数ペア:

[(1, 71995180), (2, 35997590), (4, 17998795), (5, 14399036), (10, 7199518), (19, 3789220), (20, 3599759), (38, 1894610), (41, 1755980), (76, 947305), (82, 877990), (95, 757844), (164, 438995), (190, 378922), (205, 351196), (380, 189461), (410, 175598), (779, 92420), (820, 87799), (1558, 46210), (3116, 23105), (3895, 18484), (4621, 15580), (7790, 9242)]