61228570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 124740000

約数和(自身を除く): 63511430

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 109, 130, 145, 149, 218, 290, 298, 377, 545, 745, 754, 1090, 1417, 1490, 1885, 1937, 2834, 3161, 3770, 3874, 4321, 6322, 7085, 8642, 9685, 14170, 15805, 16241, 19370, 21605, 31610, 32482, 41093, 43210, 56173, 81205, 82186, 112346, 162410, 205465, 211133, 280865, 410930, 422266, 470989, 561730, 941978, 1055665, 2111330, 2354945, 4709890, 6122857, 12245714, 30614285, 61228570]

約数ペア:

[(1, 61228570), (2, 30614285), (5, 12245714), (10, 6122857), (13, 4709890), (26, 2354945), (29, 2111330), (58, 1055665), (65, 941978), (109, 561730), (130, 470989), (145, 422266), (149, 410930), (218, 280865), (290, 211133), (298, 205465), (377, 162410), (545, 112346), (745, 82186), (754, 81205), (1090, 56173), (1417, 43210), (1490, 41093), (1885, 32482), (1937, 31610), (2834, 21605), (3161, 19370), (3770, 16241), (3874, 15805), (4321, 14170), (6322, 9685), (7085, 8642)]