221961000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 128

約数和(自身を含む): 697656960

約数和(自身を除く): 475695960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 241, 250, 300, 307, 375, 482, 500, 600, 614, 723, 750, 921, 964, 1000, 1205, 1228, 1446, 1500, 1535, 1842, 1928, 2410, 2456, 2892, 3000, 3070, 3615, 3684, 4605, 4820, 5784, 6025, 6140, 7230, 7368, 7675, 9210, 9640, 12050, 12280, 14460, 15350, 18075, 18420, 23025, 24100, 28920, 30125, 30700, 36150, 36840, 38375, 46050, 48200, 60250, 61400, 72300, 73987, 76750, 90375, 92100, 115125, 120500, 144600, 147974, 153500, 180750, 184200, 221961, 230250, 241000, 295948, 307000, 361500, 369935, 443922, 460500, 591896, 723000, 739870, 887844, 921000, 1109805, 1479740, 1775688, 1849675, 2219610, 2959480, 3699350, 4439220, 5549025, 7398700, 8878440, 9248375, 11098050, 14797400, 18496750, 22196100, 27745125, 36993500, 44392200, 55490250, 73987000, 110980500, 221961000]

約数ペア:

[(1, 221961000), (2, 110980500), (3, 73987000), (4, 55490250), (5, 44392200), (6, 36993500), (8, 27745125), (10, 22196100), (12, 18496750), (15, 14797400), (20, 11098050), (24, 9248375), (25, 8878440), (30, 7398700), (40, 5549025), (50, 4439220), (60, 3699350), (75, 2959480), (100, 2219610), (120, 1849675), (125, 1775688), (150, 1479740), (200, 1109805), (241, 921000), (250, 887844), (300, 739870), (307, 723000), (375, 591896), (482, 460500), (500, 443922), (600, 369935), (614, 361500), (723, 307000), (750, 295948), (921, 241000), (964, 230250), (1000, 221961), (1205, 184200), (1228, 180750), (1446, 153500), (1500, 147974), (1535, 144600), (1842, 120500), (1928, 115125), (2410, 92100), (2456, 90375), (2892, 76750), (3000, 73987), (3070, 72300), (3615, 61400), (3684, 60250), (4605, 48200), (4820, 46050), (5784, 38375), (6025, 36840), (6140, 36150), (7230, 30700), (7368, 30125), (7675, 28920), (9210, 24100), (9640, 23025), (12050, 18420), (12280, 18075), (14460, 15350)]