228768280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2543}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 557746560

約数和(自身を除く): 328978280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2249, 2543, 3460, 4498, 5086, 6920, 8996, 10172, 11245, 12715, 17992, 20344, 22490, 25430, 33059, 44980, 50860, 66118, 89960, 101720, 132236, 165295, 264472, 330590, 439939, 661180, 879878, 1322360, 1759756, 2199695, 3519512, 4399390, 5719207, 8798780, 11438414, 17597560, 22876828, 28596035, 45753656, 57192070, 114384140, 228768280]

約数ペア:

[(1, 228768280), (2, 114384140), (4, 57192070), (5, 45753656), (8, 28596035), (10, 22876828), (13, 17597560), (20, 11438414), (26, 8798780), (40, 5719207), (52, 4399390), (65, 3519512), (104, 2199695), (130, 1759756), (173, 1322360), (260, 879878), (346, 661180), (520, 439939), (692, 330590), (865, 264472), (1384, 165295), (1730, 132236), (2249, 101720), (2543, 89960), (3460, 66118), (4498, 50860), (5086, 44980), (6920, 33059), (8996, 25430), (10172, 22490), (11245, 20344), (12715, 17992)]