28515900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 97104896

約数和(自身を除く): 68588996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 37, 42, 50, 60, 70, 74, 75, 84, 100, 105, 111, 140, 148, 150, 175, 185, 210, 222, 259, 300, 350, 367, 370, 420, 444, 518, 525, 555, 700, 734, 740, 777, 925, 1036, 1050, 1101, 1110, 1295, 1468, 1554, 1835, 1850, 2100, 2202, 2220, 2569, 2590, 2775, 3108, 3670, 3700, 3885, 4404, 5138, 5180, 5505, 5550, 6475, 7340, 7707, 7770, 9175, 10276, 11010, 11100, 12845, 12950, 13579, 15414, 15540, 18350, 19425, 22020, 25690, 25900, 27158, 27525, 30828, 36700, 38535, 38850, 40737, 51380, 54316, 55050, 64225, 67895, 77070, 77700, 81474, 95053, 110100, 128450, 135790, 154140, 162948, 190106, 192675, 203685, 256900, 271580, 285159, 339475, 380212, 385350, 407370, 475265, 570318, 678950, 770700, 814740, 950530, 1018425, 1140636, 1357900, 1425795, 1901060, 2036850, 2376325, 2851590, 4073700, 4752650, 5703180, 7128975, 9505300, 14257950, 28515900]

約数ペア:

[(1, 28515900), (2, 14257950), (3, 9505300), (4, 7128975), (5, 5703180), (6, 4752650), (7, 4073700), (10, 2851590), (12, 2376325), (14, 2036850), (15, 1901060), (20, 1425795), (21, 1357900), (25, 1140636), (28, 1018425), (30, 950530), (35, 814740), (37, 770700), (42, 678950), (50, 570318), (60, 475265), (70, 407370), (74, 385350), (75, 380212), (84, 339475), (100, 285159), (105, 271580), (111, 256900), (140, 203685), (148, 192675), (150, 190106), (175, 162948), (185, 154140), (210, 135790), (222, 128450), (259, 110100), (300, 95053), (350, 81474), (367, 77700), (370, 77070), (420, 67895), (444, 64225), (518, 55050), (525, 54316), (555, 51380), (700, 40737), (734, 38850), (740, 38535), (777, 36700), (925, 30828), (1036, 27525), (1050, 27158), (1101, 25900), (1110, 25690), (1295, 22020), (1468, 19425), (1554, 18350), (1835, 15540), (1850, 15414), (2100, 13579), (2202, 12950), (2220, 12845), (2569, 11100), (2590, 11010), (2775, 10276), (3108, 9175), (3670, 7770), (3700, 7707), (3885, 7340), (4404, 6475), (5138, 5550), (5180, 5505)]