77040820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6991}}^1$

素因数の和:7048

約数の個数: 48

約数和(自身を含む): 176198400

約数和(自身を除く): 99157580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 6991, 11020, 13982, 27964, 34955, 69910, 132829, 139820, 202739, 265658, 405478, 531316, 664145, 810956, 1013695, 1328290, 2027390, 2656580, 3852041, 4054780, 7704082, 15408164, 19260205, 38520410, 77040820]

約数ペア:

[(1, 77040820), (2, 38520410), (4, 19260205), (5, 15408164), (10, 7704082), (19, 4054780), (20, 3852041), (29, 2656580), (38, 2027390), (58, 1328290), (76, 1013695), (95, 810956), (116, 664145), (145, 531316), (190, 405478), (290, 265658), (380, 202739), (551, 139820), (580, 132829), (1102, 69910), (2204, 34955), (2755, 27964), (5510, 13982), (6991, 11020)]