103980400

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1570

約数の個数: 60

約数和(自身を含む): 251305344

約数和(自身を除く): 147324944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1361, 1528, 1910, 2722, 3056, 3820, 4775, 5444, 6805, 7640, 9550, 10888, 13610, 15280, 19100, 21776, 27220, 34025, 38200, 54440, 68050, 76400, 108880, 136100, 259951, 272200, 519902, 544400, 1039804, 1299755, 2079608, 2599510, 4159216, 5199020, 6498775, 10398040, 12997550, 20796080, 25995100, 51990200, 103980400]

約数ペア:

[(1, 103980400), (2, 51990200), (4, 25995100), (5, 20796080), (8, 12997550), (10, 10398040), (16, 6498775), (20, 5199020), (25, 4159216), (40, 2599510), (50, 2079608), (80, 1299755), (100, 1039804), (191, 544400), (200, 519902), (382, 272200), (400, 259951), (764, 136100), (955, 108880), (1361, 76400), (1528, 68050), (1910, 54440), (2722, 38200), (3056, 34025), (3820, 27220), (4775, 21776), (5444, 19100), (6805, 15280), (7640, 13610), (9550, 10888)]