210917480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1453}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 502502400

約数和(自身を除く): 291584920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 760, 764, 955, 1453, 1528, 1910, 2906, 3629, 3820, 5812, 7258, 7265, 7640, 11624, 14516, 14530, 18145, 27607, 29032, 29060, 36290, 55214, 58120, 72580, 110428, 138035, 145160, 220856, 276070, 277523, 552140, 555046, 1104280, 1110092, 1387615, 2220184, 2775230, 5272937, 5550460, 10545874, 11100920, 21091748, 26364685, 42183496, 52729370, 105458740, 210917480]

約数ペア:

[(1, 210917480), (2, 105458740), (4, 52729370), (5, 42183496), (8, 26364685), (10, 21091748), (19, 11100920), (20, 10545874), (38, 5550460), (40, 5272937), (76, 2775230), (95, 2220184), (152, 1387615), (190, 1110092), (191, 1104280), (380, 555046), (382, 552140), (760, 277523), (764, 276070), (955, 220856), (1453, 145160), (1528, 138035), (1910, 110428), (2906, 72580), (3629, 58120), (3820, 55214), (5812, 36290), (7258, 29060), (7265, 29032), (7640, 27607), (11624, 18145), (14516, 14530)]