387979620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48619}}^1$

素因数の和:48657

約数の個数: 96

約数和(自身を含む): 1306905600

約数和(自身を除く): 918925980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 48619, 97238, 145857, 194476, 243095, 291714, 340333, 486190, 583428, 680666, 729285, 923761, 972380, 1020999, 1361332, 1458570, 1701665, 1847522, 2041998, 2771283, 2917140, 3403330, 3695044, 4083996, 4618805, 5104995, 5542566, 6466327, 6806660, 9237610, 10209990, 11085132, 12932654, 13856415, 18475220, 19398981, 20419980, 25865308, 27712830, 32331635, 38797962, 55425660, 64663270, 77595924, 96994905, 129326540, 193989810, 387979620]

約数ペア:

[(1, 387979620), (2, 193989810), (3, 129326540), (4, 96994905), (5, 77595924), (6, 64663270), (7, 55425660), (10, 38797962), (12, 32331635), (14, 27712830), (15, 25865308), (19, 20419980), (20, 19398981), (21, 18475220), (28, 13856415), (30, 12932654), (35, 11085132), (38, 10209990), (42, 9237610), (57, 6806660), (60, 6466327), (70, 5542566), (76, 5104995), (84, 4618805), (95, 4083996), (105, 3695044), (114, 3403330), (133, 2917140), (140, 2771283), (190, 2041998), (210, 1847522), (228, 1701665), (266, 1458570), (285, 1361332), (380, 1020999), (399, 972380), (420, 923761), (532, 729285), (570, 680666), (665, 583428), (798, 486190), (1140, 340333), (1330, 291714), (1596, 243095), (1995, 194476), (2660, 145857), (3990, 97238), (7980, 48619)]