1984458490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{1031}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 4222844928

約数和(自身を除く): 2238386438

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 887, 1031, 1085, 1774, 2062, 2170, 4435, 5155, 6209, 7217, 8870, 10310, 12418, 14434, 27497, 31045, 31961, 36085, 54994, 62090, 63922, 72170, 137485, 159805, 192479, 223727, 274970, 319610, 384958, 447454, 914497, 962395, 1118635, 1828994, 1924790, 2237270, 4572485, 6401479, 9144970, 12802958, 28349407, 32007395, 56698814, 64014790, 141747035, 198445849, 283494070, 396891698, 992229245, 1984458490]

約数ペア:

[(1, 1984458490), (2, 992229245), (5, 396891698), (7, 283494070), (10, 198445849), (14, 141747035), (31, 64014790), (35, 56698814), (62, 32007395), (70, 28349407), (155, 12802958), (217, 9144970), (310, 6401479), (434, 4572485), (887, 2237270), (1031, 1924790), (1085, 1828994), (1774, 1118635), (2062, 962395), (2170, 914497), (4435, 447454), (5155, 384958), (6209, 319610), (7217, 274970), (8870, 223727), (10310, 192479), (12418, 159805), (14434, 137485), (27497, 72170), (31045, 63922), (31961, 62090), (36085, 54994)]