50981980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 96

約数和(自身を含む): 133926912

約数和(自身を除く): 82944932

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 691, 868, 1054, 1085, 1190, 1382, 2108, 2170, 2380, 2635, 2764, 3455, 3689, 4340, 4837, 5270, 6910, 7378, 9674, 10540, 11747, 13820, 14756, 18445, 19348, 21421, 23494, 24185, 36890, 42842, 46988, 48370, 58735, 73780, 82229, 85684, 96740, 107105, 117470, 149947, 164458, 214210, 234940, 299894, 328916, 364157, 411145, 428420, 599788, 728314, 749735, 822290, 1456628, 1499470, 1644580, 1820785, 2549099, 2998940, 3641570, 5098198, 7283140, 10196396, 12745495, 25490990, 50981980]

約数ペア:

[(1, 50981980), (2, 25490990), (4, 12745495), (5, 10196396), (7, 7283140), (10, 5098198), (14, 3641570), (17, 2998940), (20, 2549099), (28, 1820785), (31, 1644580), (34, 1499470), (35, 1456628), (62, 822290), (68, 749735), (70, 728314), (85, 599788), (119, 428420), (124, 411145), (140, 364157), (155, 328916), (170, 299894), (217, 234940), (238, 214210), (310, 164458), (340, 149947), (434, 117470), (476, 107105), (527, 96740), (595, 85684), (620, 82229), (691, 73780), (868, 58735), (1054, 48370), (1085, 46988), (1190, 42842), (1382, 36890), (2108, 24185), (2170, 23494), (2380, 21421), (2635, 19348), (2764, 18445), (3455, 14756), (3689, 13820), (4340, 11747), (4837, 10540), (5270, 9674), (6910, 7378)]