61005490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 140709744

約数和(自身を除く): 79704254

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 61, 65, 70, 91, 98, 122, 130, 157, 182, 245, 305, 314, 427, 455, 490, 610, 637, 785, 793, 854, 910, 1099, 1274, 1570, 1586, 2041, 2135, 2198, 2989, 3185, 3965, 4082, 4270, 5495, 5551, 5978, 6370, 7693, 7930, 9577, 10205, 10990, 11102, 14287, 14945, 15386, 19154, 20410, 27755, 28574, 29890, 38465, 38857, 47885, 55510, 67039, 71435, 76930, 77714, 95770, 100009, 124501, 134078, 142870, 194285, 200018, 249002, 335195, 388570, 469273, 500045, 622505, 670390, 871507, 938546, 1000090, 1245010, 1743014, 2346365, 4357535, 4692730, 6100549, 8715070, 12201098, 30502745, 61005490]

約数ペア:

[(1, 61005490), (2, 30502745), (5, 12201098), (7, 8715070), (10, 6100549), (13, 4692730), (14, 4357535), (26, 2346365), (35, 1743014), (49, 1245010), (61, 1000090), (65, 938546), (70, 871507), (91, 670390), (98, 622505), (122, 500045), (130, 469273), (157, 388570), (182, 335195), (245, 249002), (305, 200018), (314, 194285), (427, 142870), (455, 134078), (490, 124501), (610, 100009), (637, 95770), (785, 77714), (793, 76930), (854, 71435), (910, 67039), (1099, 55510), (1274, 47885), (1570, 38857), (1586, 38465), (2041, 29890), (2135, 28574), (2198, 27755), (2989, 20410), (3185, 19154), (3965, 15386), (4082, 14945), (4270, 14287), (5495, 11102), (5551, 10990), (5978, 10205), (6370, 9577), (7693, 7930)]