89968420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{733}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 211418424

約数和(自身を除く): 121450004

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 733, 1292, 1444, 1466, 1615, 1805, 2932, 3230, 3610, 3665, 6137, 6460, 7220, 7330, 12274, 12461, 13927, 14660, 24548, 24922, 27854, 30685, 49844, 55708, 61370, 62305, 69635, 122740, 124610, 139270, 236759, 249220, 264613, 278540, 473518, 529226, 947036, 1058452, 1183795, 1323065, 2367590, 2646130, 4498421, 4735180, 5292260, 8996842, 17993684, 22492105, 44984210, 89968420]

約数ペア:

[(1, 89968420), (2, 44984210), (4, 22492105), (5, 17993684), (10, 8996842), (17, 5292260), (19, 4735180), (20, 4498421), (34, 2646130), (38, 2367590), (68, 1323065), (76, 1183795), (85, 1058452), (95, 947036), (170, 529226), (190, 473518), (323, 278540), (340, 264613), (361, 249220), (380, 236759), (646, 139270), (722, 124610), (733, 122740), (1292, 69635), (1444, 62305), (1466, 61370), (1615, 55708), (1805, 49844), (2932, 30685), (3230, 27854), (3610, 24922), (3665, 24548), (6137, 14660), (6460, 13927), (7220, 12461), (7330, 12274)]