28016400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 92317504

約数和(自身を除く): 64301104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 555, 592, 600, 631, 740, 888, 925, 1110, 1200, 1262, 1480, 1776, 1850, 1893, 2220, 2524, 2775, 2960, 3155, 3700, 3786, 4440, 5048, 5550, 6310, 7400, 7572, 8880, 9465, 10096, 11100, 12620, 14800, 15144, 15775, 18930, 22200, 23347, 25240, 30288, 31550, 37860, 44400, 46694, 47325, 50480, 63100, 70041, 75720, 93388, 94650, 116735, 126200, 140082, 151440, 186776, 189300, 233470, 252400, 280164, 350205, 373552, 378600, 466940, 560328, 583675, 700410, 757200, 933880, 1120656, 1167350, 1400820, 1751025, 1867760, 2334700, 2801640, 3502050, 4669400, 5603280, 7004100, 9338800, 14008200, 28016400]

約数ペア:

[(1, 28016400), (2, 14008200), (3, 9338800), (4, 7004100), (5, 5603280), (6, 4669400), (8, 3502050), (10, 2801640), (12, 2334700), (15, 1867760), (16, 1751025), (20, 1400820), (24, 1167350), (25, 1120656), (30, 933880), (37, 757200), (40, 700410), (48, 583675), (50, 560328), (60, 466940), (74, 378600), (75, 373552), (80, 350205), (100, 280164), (111, 252400), (120, 233470), (148, 189300), (150, 186776), (185, 151440), (200, 140082), (222, 126200), (240, 116735), (296, 94650), (300, 93388), (370, 75720), (400, 70041), (444, 63100), (555, 50480), (592, 47325), (600, 46694), (631, 44400), (740, 37860), (888, 31550), (925, 30288), (1110, 25240), (1200, 23347), (1262, 22200), (1480, 18930), (1776, 15775), (1850, 15144), (1893, 14800), (2220, 12620), (2524, 11100), (2775, 10096), (2960, 9465), (3155, 8880), (3700, 7572), (3786, 7400), (4440, 6310), (5048, 5550)]