28376740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11923}}^1$

素因数の和:11956

約数の個数: 48

約数和(自身を含む): 72116352

約数和(自身を除く): 43739612

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11923, 23846, 47692, 59615, 83461, 119230, 166922, 202691, 238460, 333844, 405382, 417305, 810764, 834610, 1013455, 1418837, 1669220, 2026910, 2837674, 4053820, 5675348, 7094185, 14188370, 28376740]

約数ペア:

[(1, 28376740), (2, 14188370), (4, 7094185), (5, 5675348), (7, 4053820), (10, 2837674), (14, 2026910), (17, 1669220), (20, 1418837), (28, 1013455), (34, 834610), (35, 810764), (68, 417305), (70, 405382), (85, 333844), (119, 238460), (140, 202691), (170, 166922), (238, 119230), (340, 83461), (476, 59615), (595, 47692), (1190, 23846), (2380, 11923)]