7994800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 22141440

約数和(自身を除く): 14146640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 79, 80, 88, 92, 100, 110, 115, 158, 176, 184, 200, 220, 230, 253, 275, 316, 368, 395, 400, 440, 460, 506, 550, 575, 632, 790, 869, 880, 920, 1012, 1100, 1150, 1264, 1265, 1580, 1738, 1817, 1840, 1975, 2024, 2200, 2300, 2530, 3160, 3476, 3634, 3950, 4048, 4345, 4400, 4600, 5060, 6320, 6325, 6952, 7268, 7900, 8690, 9085, 9200, 10120, 12650, 13904, 14536, 15800, 17380, 18170, 19987, 20240, 21725, 25300, 29072, 31600, 34760, 36340, 39974, 43450, 45425, 50600, 69520, 72680, 79948, 86900, 90850, 99935, 101200, 145360, 159896, 173800, 181700, 199870, 319792, 347600, 363400, 399740, 499675, 726800, 799480, 999350, 1598960, 1998700, 3997400, 7994800]

約数ペア:

[(1, 7994800), (2, 3997400), (4, 1998700), (5, 1598960), (8, 999350), (10, 799480), (11, 726800), (16, 499675), (20, 399740), (22, 363400), (23, 347600), (25, 319792), (40, 199870), (44, 181700), (46, 173800), (50, 159896), (55, 145360), (79, 101200), (80, 99935), (88, 90850), (92, 86900), (100, 79948), (110, 72680), (115, 69520), (158, 50600), (176, 45425), (184, 43450), (200, 39974), (220, 36340), (230, 34760), (253, 31600), (275, 29072), (316, 25300), (368, 21725), (395, 20240), (400, 19987), (440, 18170), (460, 17380), (506, 15800), (550, 14536), (575, 13904), (632, 12650), (790, 10120), (869, 9200), (880, 9085), (920, 8690), (1012, 7900), (1100, 7268), (1150, 6952), (1264, 6325), (1265, 6320), (1580, 5060), (1738, 4600), (1817, 4400), (1840, 4345), (1975, 4048), (2024, 3950), (2200, 3634), (2300, 3476), (2530, 3160)]