28005600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1697

約数の個数: 144

約数和(自身を含む): 104243328

約数和(自身を除く): 76237728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1667, 1680, 2100, 2400, 2800, 3334, 3360, 4200, 5001, 5600, 6668, 8335, 8400, 10002, 11669, 13336, 16670, 16800, 20004, 23338, 25005, 26672, 33340, 35007, 40008, 41675, 46676, 50010, 53344, 58345, 66680, 70014, 80016, 83350, 93352, 100020, 116690, 125025, 133360, 140028, 160032, 166700, 175035, 186704, 200040, 233380, 250050, 266720, 280056, 291725, 333400, 350070, 373408, 400080, 466760, 500100, 560112, 583450, 666800, 700140, 800160, 875175, 933520, 1000200, 1120224, 1166900, 1333600, 1400280, 1750350, 1867040, 2000400, 2333800, 2800560, 3500700, 4000800, 4667600, 5601120, 7001400, 9335200, 14002800, 28005600]

約数ペア:

[(1, 28005600), (2, 14002800), (3, 9335200), (4, 7001400), (5, 5601120), (6, 4667600), (7, 4000800), (8, 3500700), (10, 2800560), (12, 2333800), (14, 2000400), (15, 1867040), (16, 1750350), (20, 1400280), (21, 1333600), (24, 1166900), (25, 1120224), (28, 1000200), (30, 933520), (32, 875175), (35, 800160), (40, 700140), (42, 666800), (48, 583450), (50, 560112), (56, 500100), (60, 466760), (70, 400080), (75, 373408), (80, 350070), (84, 333400), (96, 291725), (100, 280056), (105, 266720), (112, 250050), (120, 233380), (140, 200040), (150, 186704), (160, 175035), (168, 166700), (175, 160032), (200, 140028), (210, 133360), (224, 125025), (240, 116690), (280, 100020), (300, 93352), (336, 83350), (350, 80016), (400, 70014), (420, 66680), (480, 58345), (525, 53344), (560, 50010), (600, 46676), (672, 41675), (700, 40008), (800, 35007), (840, 33340), (1050, 26672), (1120, 25005), (1200, 23338), (1400, 20004), (1667, 16800), (1680, 16670), (2100, 13336), (2400, 11669), (2800, 10002), (3334, 8400), (3360, 8335), (4200, 6668), (5001, 5600)]