399321720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:986

約数の個数: 192

約数和(自身を含む): 1492208640

約数和(自身を除く): 1092886920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 211, 252, 280, 315, 360, 420, 422, 504, 630, 633, 751, 840, 844, 1055, 1260, 1266, 1477, 1502, 1688, 1899, 2110, 2253, 2520, 2532, 2954, 3004, 3165, 3755, 3798, 4220, 4431, 4506, 5064, 5257, 5908, 6008, 6330, 6759, 7385, 7510, 7596, 8440, 8862, 9012, 9495, 10514, 11265, 11816, 12660, 13293, 13518, 14770, 15020, 15192, 15771, 17724, 18024, 18990, 21028, 22155, 22530, 25320, 26285, 26586, 27036, 29540, 30040, 31542, 33795, 35448, 37980, 42056, 44310, 45060, 47313, 52570, 53172, 54072, 59080, 63084, 66465, 67590, 75960, 78855, 88620, 90120, 94626, 105140, 106344, 126168, 132930, 135180, 157710, 158461, 177240, 189252, 210280, 236565, 265860, 270360, 315420, 316922, 378504, 473130, 475383, 531720, 630840, 633844, 792305, 946260, 950766, 1109227, 1267688, 1426149, 1584610, 1892520, 1901532, 2218454, 2376915, 2852298, 3169220, 3327681, 3803064, 4436908, 4753830, 5546135, 5704596, 6338440, 6655362, 7130745, 8873816, 9507660, 9983043, 11092270, 11409192, 13310724, 14261490, 16638405, 19015320, 19966086, 22184540, 26621448, 28522980, 33276810, 39932172, 44369080, 49915215, 57045960, 66553620, 79864344, 99830430, 133107240, 199660860, 399321720]

約数ペア:

[(1, 399321720), (2, 199660860), (3, 133107240), (4, 99830430), (5, 79864344), (6, 66553620), (7, 57045960), (8, 49915215), (9, 44369080), (10, 39932172), (12, 33276810), (14, 28522980), (15, 26621448), (18, 22184540), (20, 19966086), (21, 19015320), (24, 16638405), (28, 14261490), (30, 13310724), (35, 11409192), (36, 11092270), (40, 9983043), (42, 9507660), (45, 8873816), (56, 7130745), (60, 6655362), (63, 6338440), (70, 5704596), (72, 5546135), (84, 4753830), (90, 4436908), (105, 3803064), (120, 3327681), (126, 3169220), (140, 2852298), (168, 2376915), (180, 2218454), (210, 1901532), (211, 1892520), (252, 1584610), (280, 1426149), (315, 1267688), (360, 1109227), (420, 950766), (422, 946260), (504, 792305), (630, 633844), (633, 630840), (751, 531720), (840, 475383), (844, 473130), (1055, 378504), (1260, 316922), (1266, 315420), (1477, 270360), (1502, 265860), (1688, 236565), (1899, 210280), (2110, 189252), (2253, 177240), (2520, 158461), (2532, 157710), (2954, 135180), (3004, 132930), (3165, 126168), (3755, 106344), (3798, 105140), (4220, 94626), (4431, 90120), (4506, 88620), (5064, 78855), (5257, 75960), (5908, 67590), (6008, 66465), (6330, 63084), (6759, 59080), (7385, 54072), (7510, 53172), (7596, 52570), (8440, 47313), (8862, 45060), (9012, 44310), (9495, 42056), (10514, 37980), (11265, 35448), (11816, 33795), (12660, 31542), (13293, 30040), (13518, 29540), (14770, 27036), (15020, 26586), (15192, 26285), (15771, 25320), (17724, 22530), (18024, 22155), (18990, 21028)]