385907480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 1114041600

約数和(自身を除く): 728134120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 251, 266, 280, 289, 323, 340, 380, 476, 502, 532, 578, 595, 646, 665, 680, 760, 952, 1004, 1064, 1156, 1190, 1255, 1292, 1330, 1445, 1615, 1757, 2008, 2023, 2261, 2312, 2380, 2510, 2584, 2660, 2890, 3230, 3514, 4046, 4267, 4522, 4760, 4769, 5020, 5320, 5491, 5780, 6460, 7028, 8092, 8534, 8785, 9044, 9538, 10040, 10115, 10982, 11305, 11560, 12920, 14056, 16184, 17068, 17570, 18088, 19076, 20230, 21335, 21964, 22610, 23845, 27455, 29869, 33383, 34136, 35140, 38152, 38437, 40460, 42670, 43928, 45220, 47690, 54910, 59738, 66766, 70280, 72539, 76874, 80920, 81073, 85340, 90440, 95380, 109820, 119476, 133532, 145078, 149345, 153748, 162146, 166915, 170680, 190760, 192185, 219640, 238952, 267064, 290156, 298690, 307496, 324292, 333830, 362695, 384370, 405365, 507773, 567511, 580312, 597380, 648584, 667660, 725390, 768740, 810730, 1015546, 1135022, 1194760, 1335320, 1378241, 1450780, 1537480, 1621460, 2031092, 2270044, 2538865, 2756482, 2837555, 2901560, 3242920, 4062184, 4540088, 5077730, 5512964, 5675110, 6891205, 9647687, 10155460, 11025928, 11350220, 13782410, 19295374, 20310920, 22700440, 27564820, 38590748, 48238435, 55129640, 77181496, 96476870, 192953740, 385907480]

約数ペア:

[(1, 385907480), (2, 192953740), (4, 96476870), (5, 77181496), (7, 55129640), (8, 48238435), (10, 38590748), (14, 27564820), (17, 22700440), (19, 20310920), (20, 19295374), (28, 13782410), (34, 11350220), (35, 11025928), (38, 10155460), (40, 9647687), (56, 6891205), (68, 5675110), (70, 5512964), (76, 5077730), (85, 4540088), (95, 4062184), (119, 3242920), (133, 2901560), (136, 2837555), (140, 2756482), (152, 2538865), (170, 2270044), (190, 2031092), (238, 1621460), (251, 1537480), (266, 1450780), (280, 1378241), (289, 1335320), (323, 1194760), (340, 1135022), (380, 1015546), (476, 810730), (502, 768740), (532, 725390), (578, 667660), (595, 648584), (646, 597380), (665, 580312), (680, 567511), (760, 507773), (952, 405365), (1004, 384370), (1064, 362695), (1156, 333830), (1190, 324292), (1255, 307496), (1292, 298690), (1330, 290156), (1445, 267064), (1615, 238952), (1757, 219640), (2008, 192185), (2023, 190760), (2261, 170680), (2312, 166915), (2380, 162146), (2510, 153748), (2584, 149345), (2660, 145078), (2890, 133532), (3230, 119476), (3514, 109820), (4046, 95380), (4267, 90440), (4522, 85340), (4760, 81073), (4769, 80920), (5020, 76874), (5320, 72539), (5491, 70280), (5780, 66766), (6460, 59738), (7028, 54910), (8092, 47690), (8534, 45220), (8785, 43928), (9044, 42670), (9538, 40460), (10040, 38437), (10115, 38152), (10982, 35140), (11305, 34136), (11560, 33383), (12920, 29869), (14056, 27455), (16184, 23845), (17068, 22610), (17570, 21964), (18088, 21335), (19076, 20230)]