207844720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 519529248

約数和(自身を除く): 311684528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 1072, 1139, 1340, 1360, 2278, 2281, 2680, 4556, 4562, 5360, 5695, 9112, 9124, 11390, 11405, 18224, 18248, 22780, 22810, 36496, 38777, 45560, 45620, 77554, 91120, 91240, 152827, 155108, 182480, 193885, 305654, 310216, 387770, 611308, 620432, 764135, 775540, 1222616, 1528270, 1551080, 2445232, 2598059, 3056540, 3102160, 5196118, 6113080, 10392236, 12226160, 12990295, 20784472, 25980590, 41568944, 51961180, 103922360, 207844720]

約数ペア:

[(1, 207844720), (2, 103922360), (4, 51961180), (5, 41568944), (8, 25980590), (10, 20784472), (16, 12990295), (17, 12226160), (20, 10392236), (34, 6113080), (40, 5196118), (67, 3102160), (68, 3056540), (80, 2598059), (85, 2445232), (134, 1551080), (136, 1528270), (170, 1222616), (268, 775540), (272, 764135), (335, 620432), (340, 611308), (536, 387770), (670, 310216), (680, 305654), (1072, 193885), (1139, 182480), (1340, 155108), (1360, 152827), (2278, 91240), (2281, 91120), (2680, 77554), (4556, 45620), (4562, 45560), (5360, 38777), (5695, 36496), (9112, 22810), (9124, 22780), (11390, 18248), (11405, 18224)]