280600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 691920

約数和(自身を除く): 411320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 61, 92, 100, 115, 122, 184, 200, 230, 244, 305, 460, 488, 575, 610, 920, 1150, 1220, 1403, 1525, 2300, 2440, 2806, 3050, 4600, 5612, 6100, 7015, 11224, 12200, 14030, 28060, 35075, 56120, 70150, 140300, 280600]

約数ペア:

[(1, 280600), (2, 140300), (4, 70150), (5, 56120), (8, 35075), (10, 28060), (20, 14030), (23, 12200), (25, 11224), (40, 7015), (46, 6100), (50, 5612), (61, 4600), (92, 3050), (100, 2806), (115, 2440), (122, 2300), (184, 1525), (200, 1403), (230, 1220), (244, 1150), (305, 920), (460, 610), (488, 575)]