1818394900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{11971}}^1$

素因数の和:12030

約数の個数: 108

約数和(自身を含む): 4738613376

約数和(自身を除く): 2920218476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 310, 350, 434, 490, 620, 700, 775, 868, 980, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 3100, 4340, 4900, 5425, 6076, 7595, 10850, 11971, 15190, 21700, 23942, 30380, 37975, 47884, 59855, 75950, 83797, 119710, 151900, 167594, 239420, 299275, 335188, 371101, 418985, 586579, 598550, 742202, 837970, 1173158, 1197100, 1484404, 1675940, 1855505, 2094925, 2346316, 2597707, 2932895, 3711010, 4189850, 5195414, 5865790, 7422020, 8379700, 9277525, 10390828, 11731580, 12988535, 14664475, 18183949, 18555050, 25977070, 29328950, 36367898, 37110100, 51954140, 58657900, 64942675, 72735796, 90919745, 129885350, 181839490, 259770700, 363678980, 454598725, 909197450, 1818394900]

約数ペア:

[(1, 1818394900), (2, 909197450), (4, 454598725), (5, 363678980), (7, 259770700), (10, 181839490), (14, 129885350), (20, 90919745), (25, 72735796), (28, 64942675), (31, 58657900), (35, 51954140), (49, 37110100), (50, 36367898), (62, 29328950), (70, 25977070), (98, 18555050), (100, 18183949), (124, 14664475), (140, 12988535), (155, 11731580), (175, 10390828), (196, 9277525), (217, 8379700), (245, 7422020), (310, 5865790), (350, 5195414), (434, 4189850), (490, 3711010), (620, 2932895), (700, 2597707), (775, 2346316), (868, 2094925), (980, 1855505), (1085, 1675940), (1225, 1484404), (1519, 1197100), (1550, 1173158), (2170, 837970), (2450, 742202), (3038, 598550), (3100, 586579), (4340, 418985), (4900, 371101), (5425, 335188), (6076, 299275), (7595, 239420), (10850, 167594), (11971, 151900), (15190, 119710), (21700, 83797), (23942, 75950), (30380, 59855), (37975, 47884)]