211997100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 706565888

約数和(自身を除く): 494568788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 210, 300, 314, 350, 420, 471, 525, 628, 643, 700, 785, 942, 1050, 1099, 1286, 1570, 1884, 1929, 2100, 2198, 2355, 2572, 3140, 3215, 3297, 3858, 3925, 4396, 4501, 4710, 5495, 6430, 6594, 7716, 7850, 9002, 9420, 9645, 10990, 11775, 12860, 13188, 13503, 15700, 16075, 16485, 18004, 19290, 21980, 22505, 23550, 27006, 27475, 32150, 32970, 38580, 45010, 47100, 48225, 54012, 54950, 64300, 65940, 67515, 82425, 90020, 96450, 100951, 109900, 112525, 135030, 164850, 192900, 201902, 225050, 270060, 302853, 329700, 337575, 403804, 450100, 504755, 605706, 675150, 706657, 1009510, 1211412, 1350300, 1413314, 1514265, 2019020, 2119971, 2523775, 2826628, 3028530, 3533285, 4239942, 5047550, 6057060, 7066570, 7571325, 8479884, 10095100, 10599855, 14133140, 15142650, 17666425, 21199710, 30285300, 35332850, 42399420, 52999275, 70665700, 105998550, 211997100]

約数ペア:

[(1, 211997100), (2, 105998550), (3, 70665700), (4, 52999275), (5, 42399420), (6, 35332850), (7, 30285300), (10, 21199710), (12, 17666425), (14, 15142650), (15, 14133140), (20, 10599855), (21, 10095100), (25, 8479884), (28, 7571325), (30, 7066570), (35, 6057060), (42, 5047550), (50, 4239942), (60, 3533285), (70, 3028530), (75, 2826628), (84, 2523775), (100, 2119971), (105, 2019020), (140, 1514265), (150, 1413314), (157, 1350300), (175, 1211412), (210, 1009510), (300, 706657), (314, 675150), (350, 605706), (420, 504755), (471, 450100), (525, 403804), (628, 337575), (643, 329700), (700, 302853), (785, 270060), (942, 225050), (1050, 201902), (1099, 192900), (1286, 164850), (1570, 135030), (1884, 112525), (1929, 109900), (2100, 100951), (2198, 96450), (2355, 90020), (2572, 82425), (3140, 67515), (3215, 65940), (3297, 64300), (3858, 54950), (3925, 54012), (4396, 48225), (4501, 47100), (4710, 45010), (5495, 38580), (6430, 32970), (6594, 32150), (7716, 27475), (7850, 27006), (9002, 23550), (9420, 22505), (9645, 21980), (10990, 19290), (11775, 18004), (12860, 16485), (13188, 16075), (13503, 15700)]