87400460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27143}}^1$

素因数の和:27182

約数の個数: 48

約数和(自身を含む): 218889216

約数和(自身を除く): 131488756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27143, 54286, 108572, 135715, 190001, 271430, 380002, 542860, 624289, 760004, 950005, 1248578, 1900010, 2497156, 3121445, 3800020, 4370023, 6242890, 8740046, 12485780, 17480092, 21850115, 43700230, 87400460]

約数ペア:

[(1, 87400460), (2, 43700230), (4, 21850115), (5, 17480092), (7, 12485780), (10, 8740046), (14, 6242890), (20, 4370023), (23, 3800020), (28, 3121445), (35, 2497156), (46, 1900010), (70, 1248578), (92, 950005), (115, 760004), (140, 624289), (161, 542860), (230, 380002), (322, 271430), (460, 190001), (644, 135715), (805, 108572), (1610, 54286), (3220, 27143)]