74222440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20849}}^1$

素因数の和:20949

約数の個数: 32

約数和(自身を含む): 168885000

約数和(自身を除く): 94662560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20849, 41698, 83396, 104245, 166792, 208490, 416980, 833960, 1855561, 3711122, 7422244, 9277805, 14844488, 18555610, 37111220, 74222440]

約数ペア:

[(1, 74222440), (2, 37111220), (4, 18555610), (5, 14844488), (8, 9277805), (10, 7422244), (20, 3711122), (40, 1855561), (89, 833960), (178, 416980), (356, 208490), (445, 166792), (712, 104245), (890, 83396), (1780, 41698), (3560, 20849)]