261315460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:941

約数の個数: 96

約数和(自身を含む): 655458048

約数和(自身を除く): 394142588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 61, 70, 74, 122, 140, 148, 185, 244, 259, 305, 370, 427, 518, 610, 740, 827, 854, 1036, 1220, 1295, 1654, 1708, 2135, 2257, 2590, 3308, 4135, 4270, 4514, 5180, 5789, 8270, 8540, 9028, 11285, 11578, 15799, 16540, 22570, 23156, 28945, 30599, 31598, 45140, 50447, 57890, 61198, 63196, 78995, 100894, 115780, 122396, 152995, 157990, 201788, 214193, 252235, 305990, 315980, 353129, 428386, 504470, 611980, 706258, 856772, 1008940, 1070965, 1412516, 1765645, 1866539, 2141930, 3531290, 3733078, 4283860, 7062580, 7466156, 9332695, 13065773, 18665390, 26131546, 37330780, 52263092, 65328865, 130657730, 261315460]

約数ペア:

[(1, 261315460), (2, 130657730), (4, 65328865), (5, 52263092), (7, 37330780), (10, 26131546), (14, 18665390), (20, 13065773), (28, 9332695), (35, 7466156), (37, 7062580), (61, 4283860), (70, 3733078), (74, 3531290), (122, 2141930), (140, 1866539), (148, 1765645), (185, 1412516), (244, 1070965), (259, 1008940), (305, 856772), (370, 706258), (427, 611980), (518, 504470), (610, 428386), (740, 353129), (827, 315980), (854, 305990), (1036, 252235), (1220, 214193), (1295, 201788), (1654, 157990), (1708, 152995), (2135, 122396), (2257, 115780), (2590, 100894), (3308, 78995), (4135, 63196), (4270, 61198), (4514, 57890), (5180, 50447), (5789, 45140), (8270, 31598), (8540, 30599), (9028, 28945), (11285, 23156), (11578, 22570), (15799, 16540)]