825323900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7121}}^1$

素因数の和:7215

約数の個数: 72

約数和(自身を含む): 1916387760

約数和(自身を除く): 1091063860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 475, 610, 950, 1159, 1220, 1525, 1900, 2318, 3050, 4636, 5795, 6100, 7121, 11590, 14242, 23180, 28484, 28975, 35605, 57950, 71210, 115900, 135299, 142420, 178025, 270598, 356050, 434381, 541196, 676495, 712100, 868762, 1352990, 1737524, 2171905, 2705980, 3382475, 4343810, 6764950, 8253239, 8687620, 10859525, 13529900, 16506478, 21719050, 33012956, 41266195, 43438100, 82532390, 165064780, 206330975, 412661950, 825323900]

約数ペア:

[(1, 825323900), (2, 412661950), (4, 206330975), (5, 165064780), (10, 82532390), (19, 43438100), (20, 41266195), (25, 33012956), (38, 21719050), (50, 16506478), (61, 13529900), (76, 10859525), (95, 8687620), (100, 8253239), (122, 6764950), (190, 4343810), (244, 3382475), (305, 2705980), (380, 2171905), (475, 1737524), (610, 1352990), (950, 868762), (1159, 712100), (1220, 676495), (1525, 541196), (1900, 434381), (2318, 356050), (3050, 270598), (4636, 178025), (5795, 142420), (6100, 135299), (7121, 115900), (11590, 71210), (14242, 57950), (23180, 35605), (28484, 28975)]