205306140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263213}}^1$

素因数の和:263238

約数の個数: 48

約数和(自身を含む): 619079328

約数和(自身を除く): 413773188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 263213, 526426, 789639, 1052852, 1316065, 1579278, 2632130, 3158556, 3421769, 3948195, 5264260, 6843538, 7896390, 10265307, 13687076, 15792780, 17108845, 20530614, 34217690, 41061228, 51326535, 68435380, 102653070, 205306140]

約数ペア:

[(1, 205306140), (2, 102653070), (3, 68435380), (4, 51326535), (5, 41061228), (6, 34217690), (10, 20530614), (12, 17108845), (13, 15792780), (15, 13687076), (20, 10265307), (26, 7896390), (30, 6843538), (39, 5264260), (52, 3948195), (60, 3421769), (65, 3158556), (78, 2632130), (130, 1579278), (156, 1316065), (195, 1052852), (260, 789639), (390, 526426), (780, 263213)]