68741420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7621}}^1$

素因数の和:7682

約数の個数: 48

約数和(自身を含む): 161342496

約数和(自身を除く): 92601076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7621, 9020, 15242, 30484, 38105, 76210, 83831, 152420, 167662, 312461, 335324, 419155, 624922, 838310, 1249844, 1562305, 1676620, 3124610, 3437071, 6249220, 6874142, 13748284, 17185355, 34370710, 68741420]

約数ペア:

[(1, 68741420), (2, 34370710), (4, 17185355), (5, 13748284), (10, 6874142), (11, 6249220), (20, 3437071), (22, 3124610), (41, 1676620), (44, 1562305), (55, 1249844), (82, 838310), (110, 624922), (164, 419155), (205, 335324), (220, 312461), (410, 167662), (451, 152420), (820, 83831), (902, 76210), (1804, 38105), (2255, 30484), (4510, 15242), (7621, 9020)]