83670440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42689}}^1$

素因数の和:42714

約数の個数: 48

約数和(自身を含む): 218999700

約数和(自身を除く): 135329260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42689, 85378, 170756, 213445, 298823, 341512, 426890, 597646, 853780, 1195292, 1494115, 1707560, 2091761, 2390584, 2988230, 4183522, 5976460, 8367044, 10458805, 11952920, 16734088, 20917610, 41835220, 83670440]

約数ペア:

[(1, 83670440), (2, 41835220), (4, 20917610), (5, 16734088), (7, 11952920), (8, 10458805), (10, 8367044), (14, 5976460), (20, 4183522), (28, 2988230), (35, 2390584), (40, 2091761), (49, 1707560), (56, 1494115), (70, 1195292), (98, 853780), (140, 597646), (196, 426890), (245, 341512), (280, 298823), (392, 213445), (490, 170756), (980, 85378), (1960, 42689)]