209011036340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1\times {\mathrm{51419}}^1$

素因数の和:52029

約数の個数: 72

約数和(自身を含む): 464072081760

約数和(自身を除く): 255061045420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 563, 722, 1126, 1444, 1805, 2252, 2815, 3610, 5630, 7220, 10697, 11260, 21394, 42788, 51419, 53485, 102838, 106970, 203243, 205676, 213940, 257095, 406486, 514190, 812972, 976961, 1016215, 1028380, 1953922, 2032430, 3907844, 4064860, 4884805, 9769610, 18562259, 19539220, 28948897, 37124518, 57897794, 74249036, 92811295, 115795588, 144744485, 185622590, 289488970, 371245180, 550029043, 578977940, 1100058086, 2200116172, 2750145215, 5500290430, 10450551817, 11000580860, 20901103634, 41802207268, 52252759085, 104505518170, 209011036340]

約数ペア:

[(1, 209011036340), (2, 104505518170), (4, 52252759085), (5, 41802207268), (10, 20901103634), (19, 11000580860), (20, 10450551817), (38, 5500290430), (76, 2750145215), (95, 2200116172), (190, 1100058086), (361, 578977940), (380, 550029043), (563, 371245180), (722, 289488970), (1126, 185622590), (1444, 144744485), (1805, 115795588), (2252, 92811295), (2815, 74249036), (3610, 57897794), (5630, 37124518), (7220, 28948897), (10697, 19539220), (11260, 18562259), (21394, 9769610), (42788, 4884805), (51419, 4064860), (53485, 3907844), (102838, 2032430), (106970, 1953922), (203243, 1028380), (205676, 1016215), (213940, 976961), (257095, 812972), (406486, 514190)]