28783860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3607}}^1$

素因数の和:3645

約数の個数: 96

約数和(自身を含む): 96983040

約数和(自身を除く): 68199180

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, 3607, 3990, 7214, 7980, 10821, 14428, 18035, 21642, 25249, 36070, 43284, 50498, 54105, 68533, 72140, 75747, 100996, 108210, 126245, 137066, 151494, 205599, 216420, 252490, 274132, 302988, 342665, 378735, 411198, 479731, 504980, 685330, 757470, 822396, 959462, 1027995, 1370660, 1439193, 1514940, 1918924, 2055990, 2398655, 2878386, 4111980, 4797310, 5756772, 7195965, 9594620, 14391930, 28783860]

約数ペア:

[(1, 28783860), (2, 14391930), (3, 9594620), (4, 7195965), (5, 5756772), (6, 4797310), (7, 4111980), (10, 2878386), (12, 2398655), (14, 2055990), (15, 1918924), (19, 1514940), (20, 1439193), (21, 1370660), (28, 1027995), (30, 959462), (35, 822396), (38, 757470), (42, 685330), (57, 504980), (60, 479731), (70, 411198), (76, 378735), (84, 342665), (95, 302988), (105, 274132), (114, 252490), (133, 216420), (140, 205599), (190, 151494), (210, 137066), (228, 126245), (266, 108210), (285, 100996), (380, 75747), (399, 72140), (420, 68533), (532, 54105), (570, 50498), (665, 43284), (798, 36070), (1140, 25249), (1330, 21642), (1596, 18035), (1995, 14428), (2660, 10821), (3607, 7980), (3990, 7214)]