643371900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{22109}}^1$

素因数の和:22223

約数の個数: 72

約数和(自身を含む): 1880765040

約数和(自身を除く): 1237393140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 970, 1164, 1455, 1940, 2425, 2910, 4850, 5820, 7275, 9700, 14550, 22109, 29100, 44218, 66327, 88436, 110545, 132654, 221090, 265308, 331635, 442180, 552725, 663270, 1105450, 1326540, 1658175, 2144573, 2210900, 3316350, 4289146, 6433719, 6632700, 8578292, 10722865, 12867438, 21445730, 25734876, 32168595, 42891460, 53614325, 64337190, 107228650, 128674380, 160842975, 214457300, 321685950, 643371900]

約数ペア:

[(1, 643371900), (2, 321685950), (3, 214457300), (4, 160842975), (5, 128674380), (6, 107228650), (10, 64337190), (12, 53614325), (15, 42891460), (20, 32168595), (25, 25734876), (30, 21445730), (50, 12867438), (60, 10722865), (75, 8578292), (97, 6632700), (100, 6433719), (150, 4289146), (194, 3316350), (291, 2210900), (300, 2144573), (388, 1658175), (485, 1326540), (582, 1105450), (970, 663270), (1164, 552725), (1455, 442180), (1940, 331635), (2425, 265308), (2910, 221090), (4850, 132654), (5820, 110545), (7275, 88436), (9700, 66327), (14550, 44218), (22109, 29100)]