16807777340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1499}}^1\times {\mathrm{1553}}^1$

素因数の和:3099

約数の個数: 72

約数和(自身を含む): 37300662000

約数和(自身を除く): 20492884660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1499, 1553, 1805, 2998, 3106, 3610, 5996, 6212, 7220, 7495, 7765, 14990, 15530, 28481, 29507, 29980, 31060, 56962, 59014, 113924, 118028, 142405, 147535, 284810, 295070, 541139, 560633, 569620, 590140, 1082278, 1121266, 2164556, 2242532, 2327947, 2705695, 2803165, 4655894, 5411390, 5606330, 9311788, 10822780, 11212660, 11639735, 23279470, 44230993, 46558940, 88461986, 176923972, 221154965, 442309930, 840388867, 884619860, 1680777734, 3361555468, 4201944335, 8403888670, 16807777340]

約数ペア:

[(1, 16807777340), (2, 8403888670), (4, 4201944335), (5, 3361555468), (10, 1680777734), (19, 884619860), (20, 840388867), (38, 442309930), (76, 221154965), (95, 176923972), (190, 88461986), (361, 46558940), (380, 44230993), (722, 23279470), (1444, 11639735), (1499, 11212660), (1553, 10822780), (1805, 9311788), (2998, 5606330), (3106, 5411390), (3610, 4655894), (5996, 2803165), (6212, 2705695), (7220, 2327947), (7495, 2242532), (7765, 2164556), (14990, 1121266), (15530, 1082278), (28481, 590140), (29507, 569620), (29980, 560633), (31060, 541139), (56962, 295070), (59014, 284810), (113924, 147535), (118028, 142405)]