22019979500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{1117}}^1$

素因数の和:1668

約数の個数: 96

約数和(自身を含む): 48785405760

約数和(自身を除く): 26765426260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 443, 445, 500, 886, 890, 1117, 1772, 1780, 2215, 2225, 2234, 4430, 4450, 4468, 5585, 8860, 8900, 11075, 11125, 11170, 22150, 22250, 22340, 27925, 39427, 44300, 44500, 55375, 55850, 78854, 99413, 110750, 111700, 139625, 157708, 197135, 198826, 221500, 279250, 394270, 397652, 494831, 497065, 558500, 788540, 985675, 989662, 994130, 1971350, 1979324, 1988260, 2474155, 2485325, 3942700, 4928375, 4948310, 4970650, 9856750, 9896620, 9941300, 12370775, 12426625, 19713500, 24741550, 24853250, 44039959, 49483100, 49706500, 61853875, 88079918, 123707750, 176159836, 220199795, 247415500, 440399590, 880799180, 1100998975, 2201997950, 4403995900, 5504994875, 11009989750, 22019979500]

約数ペア:

[(1, 22019979500), (2, 11009989750), (4, 5504994875), (5, 4403995900), (10, 2201997950), (20, 1100998975), (25, 880799180), (50, 440399590), (89, 247415500), (100, 220199795), (125, 176159836), (178, 123707750), (250, 88079918), (356, 61853875), (443, 49706500), (445, 49483100), (500, 44039959), (886, 24853250), (890, 24741550), (1117, 19713500), (1772, 12426625), (1780, 12370775), (2215, 9941300), (2225, 9896620), (2234, 9856750), (4430, 4970650), (4450, 4948310), (4468, 4928375), (5585, 3942700), (8860, 2485325), (8900, 2474155), (11075, 1988260), (11125, 1979324), (11170, 1971350), (22150, 994130), (22250, 989662), (22340, 985675), (27925, 788540), (39427, 558500), (44300, 497065), (44500, 494831), (55375, 397652), (55850, 394270), (78854, 279250), (99413, 221500), (110750, 198826), (111700, 197135), (139625, 157708)]