28710440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2837}}^1$

素因数の和:2882

約数の個数: 64

約数和(自身を含む): 73560960

約数和(自身を除く): 44850520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2837, 5060, 5674, 10120, 11348, 14185, 22696, 28370, 31207, 56740, 62414, 65251, 113480, 124828, 130502, 156035, 249656, 261004, 312070, 326255, 522008, 624140, 652510, 717761, 1248280, 1305020, 1435522, 2610040, 2871044, 3588805, 5742088, 7177610, 14355220, 28710440]

約数ペア:

[(1, 28710440), (2, 14355220), (4, 7177610), (5, 5742088), (8, 3588805), (10, 2871044), (11, 2610040), (20, 1435522), (22, 1305020), (23, 1248280), (40, 717761), (44, 652510), (46, 624140), (55, 522008), (88, 326255), (92, 312070), (110, 261004), (115, 249656), (184, 156035), (220, 130502), (230, 124828), (253, 113480), (440, 65251), (460, 62414), (506, 56740), (920, 31207), (1012, 28370), (1265, 22696), (2024, 14185), (2530, 11348), (2837, 10120), (5060, 5674)]