19490064400

素因数分解:

$2^4\times 5^2\times {\mathrm{1361}}^1\times {\mathrm{35801}}^1$

素因数の和:37180

約数の個数: 60

約数和(自身を含む): 46860593364

約数和(自身を除く): 27370528964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1361, 2722, 5444, 6805, 10888, 13610, 21776, 27220, 34025, 35801, 54440, 68050, 71602, 108880, 136100, 143204, 179005, 272200, 286408, 358010, 544400, 572816, 716020, 895025, 1432040, 1790050, 2864080, 3580100, 7160200, 14320400, 48725161, 97450322, 194900644, 243625805, 389801288, 487251610, 779602576, 974503220, 1218129025, 1949006440, 2436258050, 3898012880, 4872516100, 9745032200, 19490064400]

約数ペア:

[(1, 19490064400), (2, 9745032200), (4, 4872516100), (5, 3898012880), (8, 2436258050), (10, 1949006440), (16, 1218129025), (20, 974503220), (25, 779602576), (40, 487251610), (50, 389801288), (80, 243625805), (100, 194900644), (200, 97450322), (400, 48725161), (1361, 14320400), (2722, 7160200), (5444, 3580100), (6805, 2864080), (10888, 1790050), (13610, 1432040), (21776, 895025), (27220, 716020), (34025, 572816), (35801, 544400), (54440, 358010), (68050, 286408), (71602, 272200), (108880, 179005), (136100, 143204)]