78489200

素因数分解:

$2^4\times 5^2\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:954

約数の個数: 60

約数和(自身を含む): 189470760

約数和(自身を除く): 110981560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 317, 400, 619, 634, 1238, 1268, 1585, 2476, 2536, 3095, 3170, 4952, 5072, 6190, 6340, 7925, 9904, 12380, 12680, 15475, 15850, 24760, 25360, 30950, 31700, 49520, 61900, 63400, 123800, 126800, 196223, 247600, 392446, 784892, 981115, 1569784, 1962230, 3139568, 3924460, 4905575, 7848920, 9811150, 15697840, 19622300, 39244600, 78489200]

約数ペア:

[(1, 78489200), (2, 39244600), (4, 19622300), (5, 15697840), (8, 9811150), (10, 7848920), (16, 4905575), (20, 3924460), (25, 3139568), (40, 1962230), (50, 1569784), (80, 981115), (100, 784892), (200, 392446), (317, 247600), (400, 196223), (619, 126800), (634, 123800), (1238, 63400), (1268, 61900), (1585, 49520), (2476, 31700), (2536, 30950), (3095, 25360), (3170, 24760), (4952, 15850), (5072, 15475), (6190, 12680), (6340, 12380), (7925, 9904)]