3955990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 7672320

約数和(自身を除く): 3716330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 443, 470, 886, 893, 1786, 2215, 4430, 4465, 8417, 8930, 16834, 20821, 41642, 42085, 84170, 104105, 208210, 395599, 791198, 1977995, 3955990]

約数ペア:

[(1, 3955990), (2, 1977995), (5, 791198), (10, 395599), (19, 208210), (38, 104105), (47, 84170), (94, 42085), (95, 41642), (190, 20821), (235, 16834), (443, 8930), (470, 8417), (886, 4465), (893, 4430), (1786, 2215)]