168440806940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3121}}^1\times {\mathrm{385501}}^1$

素因数の和:388638

約数の個数: 48

約数和(自身を含む): 404388513984

約数和(自身を除く): 235947707044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3121, 6242, 12484, 15605, 21847, 31210, 43694, 62420, 87388, 109235, 218470, 385501, 436940, 771002, 1542004, 1927505, 2698507, 3855010, 5397014, 7710020, 10794028, 13492535, 26985070, 53970140, 1203148621, 2406297242, 4812594484, 6015743105, 8422040347, 12031486210, 16844080694, 24062972420, 33688161388, 42110201735, 84220403470, 168440806940]

約数ペア:

[(1, 168440806940), (2, 84220403470), (4, 42110201735), (5, 33688161388), (7, 24062972420), (10, 16844080694), (14, 12031486210), (20, 8422040347), (28, 6015743105), (35, 4812594484), (70, 2406297242), (140, 1203148621), (3121, 53970140), (6242, 26985070), (12484, 13492535), (15605, 10794028), (21847, 7710020), (31210, 5397014), (43694, 3855010), (62420, 2698507), (87388, 1927505), (109235, 1542004), (218470, 771002), (385501, 436940)]