7389220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 16668288

約数和(自身を除く): 9279068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 211, 340, 412, 422, 515, 844, 1030, 1055, 1751, 2060, 2110, 3502, 3587, 4220, 7004, 7174, 8755, 14348, 17510, 17935, 21733, 35020, 35870, 43466, 71740, 86932, 108665, 217330, 369461, 434660, 738922, 1477844, 1847305, 3694610, 7389220]

約数ペア:

[(1, 7389220), (2, 3694610), (4, 1847305), (5, 1477844), (10, 738922), (17, 434660), (20, 369461), (34, 217330), (68, 108665), (85, 86932), (103, 71740), (170, 43466), (206, 35870), (211, 35020), (340, 21733), (412, 17935), (422, 17510), (515, 14348), (844, 8755), (1030, 7174), (1055, 7004), (1751, 4220), (2060, 3587), (2110, 3502)]