440957320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5323}}^1$

素因数の和:5462

約数の個数: 64

約数和(自身を含む): 1054152000

約数和(自身を除く): 613194680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 5323, 8284, 10355, 10646, 16568, 20710, 21292, 26615, 41420, 42584, 53230, 82840, 101137, 106460, 202274, 212920, 404548, 505685, 580207, 809096, 1011370, 1160414, 2022740, 2320828, 2901035, 4045480, 4641656, 5802070, 11023933, 11604140, 22047866, 23208280, 44095732, 55119665, 88191464, 110239330, 220478660, 440957320]

約数ペア:

[(1, 440957320), (2, 220478660), (4, 110239330), (5, 88191464), (8, 55119665), (10, 44095732), (19, 23208280), (20, 22047866), (38, 11604140), (40, 11023933), (76, 5802070), (95, 4641656), (109, 4045480), (152, 2901035), (190, 2320828), (218, 2022740), (380, 1160414), (436, 1011370), (545, 809096), (760, 580207), (872, 505685), (1090, 404548), (2071, 212920), (2180, 202274), (4142, 106460), (4360, 101137), (5323, 82840), (8284, 53230), (10355, 42584), (10646, 41420), (16568, 26615), (20710, 21292)]