12718364020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{115811}}^1$

素因数の和:115873

約数の個数: 72

約数和(自身を含む): 29865598560

約数和(自身を除く): 17147234540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 5491, 5780, 6460, 10982, 21964, 27455, 54910, 109820, 115811, 231622, 463244, 579055, 1158110, 1968787, 2200409, 2316220, 3937574, 4400818, 7875148, 8801636, 9843935, 11002045, 19687870, 22004090, 33469379, 37406953, 39375740, 44008180, 66938758, 74813906, 133877516, 149627812, 167346895, 187034765, 334693790, 374069530, 635918201, 669387580, 748139060, 1271836402, 2543672804, 3179591005, 6359182010, 12718364020]

約数ペア:

[(1, 12718364020), (2, 6359182010), (4, 3179591005), (5, 2543672804), (10, 1271836402), (17, 748139060), (19, 669387580), (20, 635918201), (34, 374069530), (38, 334693790), (68, 187034765), (76, 167346895), (85, 149627812), (95, 133877516), (170, 74813906), (190, 66938758), (289, 44008180), (323, 39375740), (340, 37406953), (380, 33469379), (578, 22004090), (646, 19687870), (1156, 11002045), (1292, 9843935), (1445, 8801636), (1615, 7875148), (2890, 4400818), (3230, 3937574), (5491, 2316220), (5780, 2200409), (6460, 1968787), (10982, 1158110), (21964, 579055), (27455, 463244), (54910, 231622), (109820, 115811)]