1403000

素因数分解:

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

素因数の和:105

約数の個数: 64

約数和(自身を含む): 3481920

約数和(自身を除く): 2078920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 61, 92, 100, 115, 122, 125, 184, 200, 230, 244, 250, 305, 460, 488, 500, 575, 610, 920, 1000, 1150, 1220, 1403, 1525, 2300, 2440, 2806, 2875, 3050, 4600, 5612, 5750, 6100, 7015, 7625, 11224, 11500, 12200, 14030, 15250, 23000, 28060, 30500, 35075, 56120, 61000, 70150, 140300, 175375, 280600, 350750, 701500, 1403000]

約数ペア:

[(1, 1403000), (2, 701500), (4, 350750), (5, 280600), (8, 175375), (10, 140300), (20, 70150), (23, 61000), (25, 56120), (40, 35075), (46, 30500), (50, 28060), (61, 23000), (92, 15250), (100, 14030), (115, 12200), (122, 11500), (125, 11224), (184, 7625), (200, 7015), (230, 6100), (244, 5750), (250, 5612), (305, 4600), (460, 3050), (488, 2875), (500, 2806), (575, 2440), (610, 2300), (920, 1525), (1000, 1403), (1150, 1220)]