66447220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27919}}^1$

素因数の和:27952

約数の個数: 48

約数和(自身を含む): 168860160

約数和(自身を除く): 102412940

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, 27919, 55838, 111676, 139595, 195433, 279190, 390866, 474623, 558380, 781732, 949246, 977165, 1898492, 1954330, 2373115, 3322361, 3908660, 4746230, 6644722, 9492460, 13289444, 16611805, 33223610, 66447220]

約数ペア:

[(1, 66447220), (2, 33223610), (4, 16611805), (5, 13289444), (7, 9492460), (10, 6644722), (14, 4746230), (17, 3908660), (20, 3322361), (28, 2373115), (34, 1954330), (35, 1898492), (68, 977165), (70, 949246), (85, 781732), (119, 558380), (140, 474623), (170, 390866), (238, 279190), (340, 195433), (476, 139595), (595, 111676), (1190, 55838), (2380, 27919)]