121506980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{27997}}^1$

素因数の和:28044

約数の個数: 48

約数和(自身を含む): 301034496

約数和(自身を除く): 179527516

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, 27997, 55994, 111988, 139985, 195979, 279970, 391958, 559940, 783916, 867907, 979895, 1735814, 1959790, 3471628, 3919580, 4339535, 6075349, 8679070, 12150698, 17358140, 24301396, 30376745, 60753490, 121506980]

約数ペア:

[(1, 121506980), (2, 60753490), (4, 30376745), (5, 24301396), (7, 17358140), (10, 12150698), (14, 8679070), (20, 6075349), (28, 4339535), (31, 3919580), (35, 3471628), (62, 1959790), (70, 1735814), (124, 979895), (140, 867907), (155, 783916), (217, 559940), (310, 391958), (434, 279970), (620, 195979), (868, 139985), (1085, 111988), (2170, 55994), (4340, 27997)]