251982640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34613}}^1$

素因数の和:34646

約数の個数: 80

約数和(自身を含む): 721078848

約数和(自身を除く): 469096208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 34613, 69226, 138452, 173065, 242291, 276904, 346130, 449969, 484582, 553808, 692260, 899938, 969164, 1211455, 1384520, 1799876, 1938328, 2249845, 2422910, 2769040, 3149783, 3599752, 3876656, 4499690, 4845820, 6299566, 7199504, 8999380, 9691640, 12599132, 15748915, 17998760, 19383280, 25198264, 31497830, 35997520, 50396528, 62995660, 125991320, 251982640]

約数ペア:

[(1, 251982640), (2, 125991320), (4, 62995660), (5, 50396528), (7, 35997520), (8, 31497830), (10, 25198264), (13, 19383280), (14, 17998760), (16, 15748915), (20, 12599132), (26, 9691640), (28, 8999380), (35, 7199504), (40, 6299566), (52, 4845820), (56, 4499690), (65, 3876656), (70, 3599752), (80, 3149783), (91, 2769040), (104, 2422910), (112, 2249845), (130, 1938328), (140, 1799876), (182, 1384520), (208, 1211455), (260, 969164), (280, 899938), (364, 692260), (455, 553808), (520, 484582), (560, 449969), (728, 346130), (910, 276904), (1040, 242291), (1456, 173065), (1820, 138452), (3640, 69226), (7280, 34613)]