6989840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 19605888

約数和(自身を除く): 12616048

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 47, 52, 55, 65, 80, 88, 94, 104, 110, 130, 143, 169, 176, 188, 208, 220, 235, 260, 286, 338, 376, 440, 470, 517, 520, 572, 611, 676, 715, 752, 845, 880, 940, 1034, 1040, 1144, 1222, 1352, 1430, 1690, 1859, 1880, 2068, 2288, 2444, 2585, 2704, 2860, 3055, 3380, 3718, 3760, 4136, 4888, 5170, 5720, 6110, 6721, 6760, 7436, 7943, 8272, 9295, 9776, 10340, 11440, 12220, 13442, 13520, 14872, 15886, 18590, 20680, 24440, 26884, 29744, 31772, 33605, 37180, 39715, 41360, 48880, 53768, 63544, 67210, 74360, 79430, 87373, 107536, 127088, 134420, 148720, 158860, 174746, 268840, 317720, 349492, 436865, 537680, 635440, 698984, 873730, 1397968, 1747460, 3494920, 6989840]

約数ペア:

[(1, 6989840), (2, 3494920), (4, 1747460), (5, 1397968), (8, 873730), (10, 698984), (11, 635440), (13, 537680), (16, 436865), (20, 349492), (22, 317720), (26, 268840), (40, 174746), (44, 158860), (47, 148720), (52, 134420), (55, 127088), (65, 107536), (80, 87373), (88, 79430), (94, 74360), (104, 67210), (110, 63544), (130, 53768), (143, 48880), (169, 41360), (176, 39715), (188, 37180), (208, 33605), (220, 31772), (235, 29744), (260, 26884), (286, 24440), (338, 20680), (376, 18590), (440, 15886), (470, 14872), (517, 13520), (520, 13442), (572, 12220), (611, 11440), (676, 10340), (715, 9776), (752, 9295), (845, 8272), (880, 7943), (940, 7436), (1034, 6760), (1040, 6721), (1144, 6110), (1222, 5720), (1352, 5170), (1430, 4888), (1690, 4136), (1859, 3760), (1880, 3718), (2068, 3380), (2288, 3055), (2444, 2860), (2585, 2704)]