389625440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:816

約数の個数: 96

約数和(自身を含む): 960996960

約数和(自身を除く): 571371520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 131, 145, 160, 232, 262, 290, 464, 524, 580, 641, 655, 928, 1048, 1160, 1282, 1310, 2096, 2320, 2564, 2620, 3205, 3799, 4192, 4640, 5128, 5240, 6410, 7598, 10256, 10480, 12820, 15196, 18589, 18995, 20512, 20960, 25640, 30392, 37178, 37990, 51280, 60784, 74356, 75980, 83971, 92945, 102560, 121568, 148712, 151960, 167942, 185890, 297424, 303920, 335884, 371780, 419855, 594848, 607840, 671768, 743560, 839710, 1343536, 1487120, 1679420, 2435159, 2687072, 2974240, 3358840, 4870318, 6717680, 9740636, 12175795, 13435360, 19481272, 24351590, 38962544, 48703180, 77925088, 97406360, 194812720, 389625440]

約数ペア:

[(1, 389625440), (2, 194812720), (4, 97406360), (5, 77925088), (8, 48703180), (10, 38962544), (16, 24351590), (20, 19481272), (29, 13435360), (32, 12175795), (40, 9740636), (58, 6717680), (80, 4870318), (116, 3358840), (131, 2974240), (145, 2687072), (160, 2435159), (232, 1679420), (262, 1487120), (290, 1343536), (464, 839710), (524, 743560), (580, 671768), (641, 607840), (655, 594848), (928, 419855), (1048, 371780), (1160, 335884), (1282, 303920), (1310, 297424), (2096, 185890), (2320, 167942), (2564, 151960), (2620, 148712), (3205, 121568), (3799, 102560), (4192, 92945), (4640, 83971), (5128, 75980), (5240, 74356), (6410, 60784), (7598, 51280), (10256, 37990), (10480, 37178), (12820, 30392), (15196, 25640), (18589, 20960), (18995, 20512)]