197456980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{45497}}^1$

素因数の和:45544

約数の個数: 48

約数和(自身を含む): 489194496

約数和(自身を除く): 291737516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 45497, 90994, 181988, 227485, 318479, 454970, 636958, 909940, 1273916, 1410407, 1592395, 2820814, 3184790, 5641628, 6369580, 7052035, 9872849, 14104070, 19745698, 28208140, 39491396, 49364245, 98728490, 197456980]

約数ペア:

[(1, 197456980), (2, 98728490), (4, 49364245), (5, 39491396), (7, 28208140), (10, 19745698), (14, 14104070), (20, 9872849), (28, 7052035), (31, 6369580), (35, 5641628), (62, 3184790), (70, 2820814), (124, 1592395), (140, 1410407), (155, 1273916), (217, 909940), (310, 636958), (434, 454970), (620, 318479), (868, 227485), (1085, 181988), (2170, 90994), (4340, 45497)]