27991600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 82876640

約数和(自身を除く): 54885040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 769, 910, 1040, 1300, 1400, 1456, 1538, 1820, 2275, 2600, 2800, 3076, 3640, 3845, 4550, 5200, 5383, 6152, 7280, 7690, 9100, 9997, 10766, 12304, 15380, 18200, 19225, 19994, 21532, 26915, 30760, 36400, 38450, 39988, 43064, 49985, 53830, 61520, 69979, 76900, 79976, 86128, 99970, 107660, 134575, 139958, 153800, 159952, 199940, 215320, 249925, 269150, 279916, 307600, 349895, 399880, 430640, 499850, 538300, 559832, 699790, 799760, 999700, 1076600, 1119664, 1399580, 1749475, 1999400, 2153200, 2799160, 3498950, 3998800, 5598320, 6997900, 13995800, 27991600]

約数ペア:

[(1, 27991600), (2, 13995800), (4, 6997900), (5, 5598320), (7, 3998800), (8, 3498950), (10, 2799160), (13, 2153200), (14, 1999400), (16, 1749475), (20, 1399580), (25, 1119664), (26, 1076600), (28, 999700), (35, 799760), (40, 699790), (50, 559832), (52, 538300), (56, 499850), (65, 430640), (70, 399880), (80, 349895), (91, 307600), (100, 279916), (104, 269150), (112, 249925), (130, 215320), (140, 199940), (175, 159952), (182, 153800), (200, 139958), (208, 134575), (260, 107660), (280, 99970), (325, 86128), (350, 79976), (364, 76900), (400, 69979), (455, 61520), (520, 53830), (560, 49985), (650, 43064), (700, 39988), (728, 38450), (769, 36400), (910, 30760), (1040, 26915), (1300, 21532), (1400, 19994), (1456, 19225), (1538, 18200), (1820, 15380), (2275, 12304), (2600, 10766), (2800, 9997), (3076, 9100), (3640, 7690), (3845, 7280), (4550, 6152), (5200, 5383)]