78185890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{743}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 149454720

約数和(自身を除く): 71268830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 619, 743, 1238, 1486, 3095, 3715, 6190, 7430, 10523, 12631, 21046, 25262, 52615, 63155, 105230, 126310, 459917, 919834, 2299585, 4599170, 7818589, 15637178, 39092945, 78185890]

約数ペア:

[(1, 78185890), (2, 39092945), (5, 15637178), (10, 7818589), (17, 4599170), (34, 2299585), (85, 919834), (170, 459917), (619, 126310), (743, 105230), (1238, 63155), (1486, 52615), (3095, 25262), (3715, 21046), (6190, 12631), (7430, 10523)]