407715280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{104009}}^1$

素因数の和:104036

約数の個数: 60

約数和(自身を含む): 1102714020

約数和(自身を除く): 694998740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 104009, 208018, 416036, 520045, 728063, 832072, 1040090, 1456126, 1664144, 2080180, 2912252, 3640315, 4160360, 5096441, 5824504, 7280630, 8320720, 10192882, 11649008, 14561260, 20385764, 25482205, 29122520, 40771528, 50964410, 58245040, 81543056, 101928820, 203857640, 407715280]

約数ペア:

[(1, 407715280), (2, 203857640), (4, 101928820), (5, 81543056), (7, 58245040), (8, 50964410), (10, 40771528), (14, 29122520), (16, 25482205), (20, 20385764), (28, 14561260), (35, 11649008), (40, 10192882), (49, 8320720), (56, 7280630), (70, 5824504), (80, 5096441), (98, 4160360), (112, 3640315), (140, 2912252), (196, 2080180), (245, 1664144), (280, 1456126), (392, 1040090), (490, 832072), (560, 728063), (784, 520045), (980, 416036), (1960, 208018), (3920, 104009)]