1999607260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1069}}^1$

素因数の和:1547

約数の個数: 96

約数和(自身を含む): 4970004480

約数和(自身を除く): 2970397220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 431, 434, 620, 862, 868, 1069, 1085, 1724, 2138, 2155, 2170, 3017, 4276, 4310, 4340, 5345, 6034, 7483, 8620, 10690, 12068, 13361, 14966, 15085, 21380, 26722, 29932, 30170, 33139, 37415, 53444, 60340, 66278, 66805, 74830, 93527, 132556, 133610, 149660, 165695, 187054, 231973, 267220, 331390, 374108, 460739, 463946, 467635, 662780, 921478, 927892, 935270, 1159865, 1842956, 1870540, 2303695, 2319730, 3225173, 4607390, 4639460, 6450346, 9214780, 12900692, 14282909, 16125865, 28565818, 32251730, 57131636, 64503460, 71414545, 99980363, 142829090, 199960726, 285658180, 399921452, 499901815, 999803630, 1999607260]

約数ペア:

[(1, 1999607260), (2, 999803630), (4, 499901815), (5, 399921452), (7, 285658180), (10, 199960726), (14, 142829090), (20, 99980363), (28, 71414545), (31, 64503460), (35, 57131636), (62, 32251730), (70, 28565818), (124, 16125865), (140, 14282909), (155, 12900692), (217, 9214780), (310, 6450346), (431, 4639460), (434, 4607390), (620, 3225173), (862, 2319730), (868, 2303695), (1069, 1870540), (1085, 1842956), (1724, 1159865), (2138, 935270), (2155, 927892), (2170, 921478), (3017, 662780), (4276, 467635), (4310, 463946), (4340, 460739), (5345, 374108), (6034, 331390), (7483, 267220), (8620, 231973), (10690, 187054), (12068, 165695), (13361, 149660), (14966, 133610), (15085, 132556), (21380, 93527), (26722, 74830), (29932, 66805), (30170, 66278), (33139, 60340), (37415, 53444)]