78262220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{601}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 174763008

約数和(自身を除く): 96500788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 601, 766, 1202, 1532, 1915, 2404, 3005, 3830, 6010, 6511, 7660, 10217, 12020, 13022, 20434, 26044, 32555, 40868, 51085, 65110, 102170, 130220, 204340, 230183, 460366, 920732, 1150915, 2301830, 3913111, 4603660, 7826222, 15652444, 19565555, 39131110, 78262220]

約数ペア:

[(1, 78262220), (2, 39131110), (4, 19565555), (5, 15652444), (10, 7826222), (17, 4603660), (20, 3913111), (34, 2301830), (68, 1150915), (85, 920732), (170, 460366), (340, 230183), (383, 204340), (601, 130220), (766, 102170), (1202, 65110), (1532, 51085), (1915, 40868), (2404, 32555), (3005, 26044), (3830, 20434), (6010, 13022), (6511, 12020), (7660, 10217)]