18577100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 43309728

約数和(自身を除く): 24732628

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 197, 205, 230, 394, 410, 460, 575, 788, 820, 943, 985, 1025, 1150, 1886, 1970, 2050, 2300, 3772, 3940, 4100, 4531, 4715, 4925, 8077, 9062, 9430, 9850, 16154, 18124, 18860, 19700, 22655, 23575, 32308, 40385, 45310, 47150, 80770, 90620, 94300, 113275, 161540, 185771, 201925, 226550, 371542, 403850, 453100, 743084, 807700, 928855, 1857710, 3715420, 4644275, 9288550, 18577100]

約数ペア:

[(1, 18577100), (2, 9288550), (4, 4644275), (5, 3715420), (10, 1857710), (20, 928855), (23, 807700), (25, 743084), (41, 453100), (46, 403850), (50, 371542), (82, 226550), (92, 201925), (100, 185771), (115, 161540), (164, 113275), (197, 94300), (205, 90620), (230, 80770), (394, 47150), (410, 45310), (460, 40385), (575, 32308), (788, 23575), (820, 22655), (943, 19700), (985, 18860), (1025, 18124), (1150, 16154), (1886, 9850), (1970, 9430), (2050, 9062), (2300, 8077), (3772, 4925), (3940, 4715), (4100, 4531)]