70861940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 83241100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 839, 1030, 1678, 2060, 3356, 4195, 4223, 8390, 8446, 16780, 16892, 21115, 34399, 42230, 68798, 84460, 86417, 137596, 171995, 172834, 343990, 345668, 432085, 687980, 864170, 1728340, 3543097, 7086194, 14172388, 17715485, 35430970, 70861940]

約数ペア:

[(1, 70861940), (2, 35430970), (4, 17715485), (5, 14172388), (10, 7086194), (20, 3543097), (41, 1728340), (82, 864170), (103, 687980), (164, 432085), (205, 345668), (206, 343990), (410, 172834), (412, 171995), (515, 137596), (820, 86417), (839, 84460), (1030, 68798), (1678, 42230), (2060, 34399), (3356, 21115), (4195, 16892), (4223, 16780), (8390, 8446)]