789820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 1850688

約数和(自身を除く): 1060868

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 101, 115, 170, 202, 230, 340, 391, 404, 460, 505, 782, 1010, 1564, 1717, 1955, 2020, 2323, 3434, 3910, 4646, 6868, 7820, 8585, 9292, 11615, 17170, 23230, 34340, 39491, 46460, 78982, 157964, 197455, 394910, 789820]

約数ペア:

[(1, 789820), (2, 394910), (4, 197455), (5, 157964), (10, 78982), (17, 46460), (20, 39491), (23, 34340), (34, 23230), (46, 17170), (68, 11615), (85, 9292), (92, 8585), (101, 7820), (115, 6868), (170, 4646), (202, 3910), (230, 3434), (340, 2323), (391, 2020), (404, 1955), (460, 1717), (505, 1564), (782, 1010)]