30366980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6997}}^1$

素因数の和:7044

約数の個数: 48

約数和(自身を含む): 75242496

約数和(自身を除く): 44875516

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, 6997, 13994, 27988, 34985, 48979, 69970, 97958, 139940, 195916, 216907, 244895, 433814, 489790, 867628, 979580, 1084535, 1518349, 2169070, 3036698, 4338140, 6073396, 7591745, 15183490, 30366980]

約数ペア:

[(1, 30366980), (2, 15183490), (4, 7591745), (5, 6073396), (7, 4338140), (10, 3036698), (14, 2169070), (20, 1518349), (28, 1084535), (31, 979580), (35, 867628), (62, 489790), (70, 433814), (124, 244895), (140, 216907), (155, 195916), (217, 139940), (310, 97958), (434, 69970), (620, 48979), (868, 34985), (1085, 27988), (2170, 13994), (4340, 6997)]