687536660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{12143}}^1$

素因数の和:12320

約数の個数: 48

約数和(自身を含む): 1530144000

約数和(自身を除く): 842607340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 5662, 11324, 12143, 14155, 24286, 28310, 48572, 56620, 60715, 121430, 230717, 242860, 461434, 922868, 1153585, 1809307, 2307170, 3618614, 4614340, 7237228, 9046535, 18093070, 34376833, 36186140, 68753666, 137507332, 171884165, 343768330, 687536660]

約数ペア:

[(1, 687536660), (2, 343768330), (4, 171884165), (5, 137507332), (10, 68753666), (19, 36186140), (20, 34376833), (38, 18093070), (76, 9046535), (95, 7237228), (149, 4614340), (190, 3618614), (298, 2307170), (380, 1809307), (596, 1153585), (745, 922868), (1490, 461434), (2831, 242860), (2980, 230717), (5662, 121430), (11324, 60715), (12143, 56620), (14155, 48572), (24286, 28310)]