19001500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 48746880

約数和(自身を除く): 29745380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 89, 100, 122, 125, 140, 175, 178, 244, 250, 305, 350, 356, 427, 445, 500, 610, 623, 700, 854, 875, 890, 1220, 1246, 1525, 1708, 1750, 1780, 2135, 2225, 2492, 3050, 3115, 3500, 4270, 4450, 5429, 6100, 6230, 7625, 8540, 8900, 10675, 10858, 11125, 12460, 15250, 15575, 21350, 21716, 22250, 27145, 30500, 31150, 38003, 42700, 44500, 53375, 54290, 62300, 76006, 77875, 106750, 108580, 135725, 152012, 155750, 190015, 213500, 271450, 311500, 380030, 542900, 678625, 760060, 950075, 1357250, 1900150, 2714500, 3800300, 4750375, 9500750, 19001500]

約数ペア:

[(1, 19001500), (2, 9500750), (4, 4750375), (5, 3800300), (7, 2714500), (10, 1900150), (14, 1357250), (20, 950075), (25, 760060), (28, 678625), (35, 542900), (50, 380030), (61, 311500), (70, 271450), (89, 213500), (100, 190015), (122, 155750), (125, 152012), (140, 135725), (175, 108580), (178, 106750), (244, 77875), (250, 76006), (305, 62300), (350, 54290), (356, 53375), (427, 44500), (445, 42700), (500, 38003), (610, 31150), (623, 30500), (700, 27145), (854, 22250), (875, 21716), (890, 21350), (1220, 15575), (1246, 15250), (1525, 12460), (1708, 11125), (1750, 10858), (1780, 10675), (2135, 8900), (2225, 8540), (2492, 7625), (3050, 6230), (3115, 6100), (3500, 5429), (4270, 4450)]