3987900

素因数分解:

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

素因数の和:241

約数の個数: 144

約数和(自身を含む): 14721280

約数和(自身を除く): 10733380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 211, 225, 252, 270, 300, 315, 350, 378, 420, 422, 450, 525, 540, 630, 633, 675, 700, 756, 844, 900, 945, 1050, 1055, 1260, 1266, 1350, 1477, 1575, 1890, 1899, 2100, 2110, 2532, 2700, 2954, 3150, 3165, 3780, 3798, 4220, 4431, 4725, 5275, 5697, 5908, 6300, 6330, 7385, 7596, 8862, 9450, 9495, 10550, 11394, 12660, 13293, 14770, 15825, 17724, 18900, 18990, 21100, 22155, 22788, 26586, 28485, 29540, 31650, 36925, 37980, 39879, 44310, 47475, 53172, 56970, 63300, 66465, 73850, 79758, 88620, 94950, 110775, 113940, 132930, 142425, 147700, 159516, 189900, 199395, 221550, 265860, 284850, 332325, 398790, 443100, 569700, 664650, 797580, 996975, 1329300, 1993950, 3987900]

約数ペア:

[(1, 3987900), (2, 1993950), (3, 1329300), (4, 996975), (5, 797580), (6, 664650), (7, 569700), (9, 443100), (10, 398790), (12, 332325), (14, 284850), (15, 265860), (18, 221550), (20, 199395), (21, 189900), (25, 159516), (27, 147700), (28, 142425), (30, 132930), (35, 113940), (36, 110775), (42, 94950), (45, 88620), (50, 79758), (54, 73850), (60, 66465), (63, 63300), (70, 56970), (75, 53172), (84, 47475), (90, 44310), (100, 39879), (105, 37980), (108, 36925), (126, 31650), (135, 29540), (140, 28485), (150, 26586), (175, 22788), (180, 22155), (189, 21100), (210, 18990), (211, 18900), (225, 17724), (252, 15825), (270, 14770), (300, 13293), (315, 12660), (350, 11394), (378, 10550), (420, 9495), (422, 9450), (450, 8862), (525, 7596), (540, 7385), (630, 6330), (633, 6300), (675, 5908), (700, 5697), (756, 5275), (844, 4725), (900, 4431), (945, 4220), (1050, 3798), (1055, 3780), (1260, 3165), (1266, 3150), (1350, 2954), (1477, 2700), (1575, 2532), (1890, 2110), (1899, 2100)]