208700100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 216

約数和(自身を含む): 755937728

約数和(自身を除く): 547237628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 157, 175, 180, 210, 211, 225, 252, 300, 314, 315, 350, 420, 422, 450, 471, 525, 628, 630, 633, 700, 785, 844, 900, 942, 1050, 1055, 1099, 1260, 1266, 1413, 1477, 1570, 1575, 1884, 1899, 2100, 2110, 2198, 2355, 2532, 2826, 2954, 3140, 3150, 3165, 3297, 3798, 3925, 4220, 4396, 4431, 4710, 5275, 5495, 5652, 5908, 6300, 6330, 6594, 7065, 7385, 7596, 7850, 8862, 9420, 9495, 9891, 10550, 10990, 11775, 12660, 13188, 13293, 14130, 14770, 15700, 15825, 16485, 17724, 18990, 19782, 21100, 21980, 22155, 23550, 26586, 27475, 28260, 29540, 31650, 32970, 33127, 35325, 36925, 37980, 39564, 44310, 47100, 47475, 49455, 53172, 54950, 63300, 65940, 66254, 66465, 70650, 73850, 82425, 88620, 94950, 98910, 99381, 109900, 110775, 132508, 132930, 141300, 147700, 164850, 165635, 189900, 197820, 198762, 221550, 231889, 247275, 265860, 298143, 329700, 331270, 332325, 397524, 443100, 463778, 494550, 496905, 596286, 662540, 664650, 695667, 828175, 927556, 989100, 993810, 1159445, 1192572, 1329300, 1391334, 1490715, 1656350, 1987620, 2087001, 2318890, 2484525, 2782668, 2981430, 3312700, 3478335, 4174002, 4637780, 4969050, 5797225, 5962860, 6956670, 7453575, 8348004, 9938100, 10435005, 11594450, 13913340, 14907150, 17391675, 20870010, 23188900, 29814300, 34783350, 41740020, 52175025, 69566700, 104350050, 208700100]

約数ペア:

[(1, 208700100), (2, 104350050), (3, 69566700), (4, 52175025), (5, 41740020), (6, 34783350), (7, 29814300), (9, 23188900), (10, 20870010), (12, 17391675), (14, 14907150), (15, 13913340), (18, 11594450), (20, 10435005), (21, 9938100), (25, 8348004), (28, 7453575), (30, 6956670), (35, 5962860), (36, 5797225), (42, 4969050), (45, 4637780), (50, 4174002), (60, 3478335), (63, 3312700), (70, 2981430), (75, 2782668), (84, 2484525), (90, 2318890), (100, 2087001), (105, 1987620), (126, 1656350), (140, 1490715), (150, 1391334), (157, 1329300), (175, 1192572), (180, 1159445), (210, 993810), (211, 989100), (225, 927556), (252, 828175), (300, 695667), (314, 664650), (315, 662540), (350, 596286), (420, 496905), (422, 494550), (450, 463778), (471, 443100), (525, 397524), (628, 332325), (630, 331270), (633, 329700), (700, 298143), (785, 265860), (844, 247275), (900, 231889), (942, 221550), (1050, 198762), (1055, 197820), (1099, 189900), (1260, 165635), (1266, 164850), (1413, 147700), (1477, 141300), (1570, 132930), (1575, 132508), (1884, 110775), (1899, 109900), (2100, 99381), (2110, 98910), (2198, 94950), (2355, 88620), (2532, 82425), (2826, 73850), (2954, 70650), (3140, 66465), (3150, 66254), (3165, 65940), (3297, 63300), (3798, 54950), (3925, 53172), (4220, 49455), (4396, 47475), (4431, 47100), (4710, 44310), (5275, 39564), (5495, 37980), (5652, 36925), (5908, 35325), (6300, 33127), (6330, 32970), (6594, 31650), (7065, 29540), (7385, 28260), (7596, 27475), (7850, 26586), (8862, 23550), (9420, 22155), (9495, 21980), (9891, 21100), (10550, 19782), (10990, 18990), (11775, 17724), (12660, 16485), (13188, 15825), (13293, 15700), (14130, 14770)]