479219900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 1099512960

約数和(自身を除く): 620293060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 311, 380, 475, 622, 811, 950, 1244, 1555, 1622, 1900, 3110, 3244, 4055, 5909, 6220, 7775, 8110, 11818, 15409, 15550, 16220, 20275, 23636, 29545, 30818, 31100, 40550, 59090, 61636, 77045, 81100, 118180, 147725, 154090, 252221, 295450, 308180, 385225, 504442, 590900, 770450, 1008884, 1261105, 1540900, 2522210, 4792199, 5044420, 6305525, 9584398, 12611050, 19168796, 23960995, 25222100, 47921990, 95843980, 119804975, 239609950, 479219900]

約数ペア:

[(1, 479219900), (2, 239609950), (4, 119804975), (5, 95843980), (10, 47921990), (19, 25222100), (20, 23960995), (25, 19168796), (38, 12611050), (50, 9584398), (76, 6305525), (95, 5044420), (100, 4792199), (190, 2522210), (311, 1540900), (380, 1261105), (475, 1008884), (622, 770450), (811, 590900), (950, 504442), (1244, 385225), (1555, 308180), (1622, 295450), (1900, 252221), (3110, 154090), (3244, 147725), (4055, 118180), (5909, 81100), (6220, 77045), (7775, 61636), (8110, 59090), (11818, 40550), (15409, 31100), (15550, 30818), (16220, 29545), (20275, 23636)]