313655860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{320057}}^1$

素因数の和:320080

約数の個数: 36

約数和(自身を含む): 766218852

約数和(自身を除く): 452562992

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 320057, 640114, 1280228, 1600285, 2240399, 3200570, 4480798, 6401140, 8961596, 11201995, 15682793, 22403990, 31365586, 44807980, 62731172, 78413965, 156827930, 313655860]

約数ペア:

[(1, 313655860), (2, 156827930), (4, 78413965), (5, 62731172), (7, 44807980), (10, 31365586), (14, 22403990), (20, 15682793), (28, 11201995), (35, 8961596), (49, 6401140), (70, 4480798), (98, 3200570), (140, 2240399), (196, 1600285), (245, 1280228), (490, 640114), (980, 320057)]