156978400

素因数分解:

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

素因数の和:956

約数の個数: 72

約数和(自身を含む): 385053480

約数和(自身を除く): 228075080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 317, 400, 619, 634, 800, 1238, 1268, 1585, 2476, 2536, 3095, 3170, 4952, 5072, 6190, 6340, 7925, 9904, 10144, 12380, 12680, 15475, 15850, 19808, 24760, 25360, 30950, 31700, 49520, 50720, 61900, 63400, 99040, 123800, 126800, 196223, 247600, 253600, 392446, 495200, 784892, 981115, 1569784, 1962230, 3139568, 3924460, 4905575, 6279136, 7848920, 9811150, 15697840, 19622300, 31395680, 39244600, 78489200, 156978400]

約数ペア:

[(1, 156978400), (2, 78489200), (4, 39244600), (5, 31395680), (8, 19622300), (10, 15697840), (16, 9811150), (20, 7848920), (25, 6279136), (32, 4905575), (40, 3924460), (50, 3139568), (80, 1962230), (100, 1569784), (160, 981115), (200, 784892), (317, 495200), (400, 392446), (619, 253600), (634, 247600), (800, 196223), (1238, 126800), (1268, 123800), (1585, 99040), (2476, 63400), (2536, 61900), (3095, 50720), (3170, 49520), (4952, 31700), (5072, 30950), (6190, 25360), (6340, 24760), (7925, 19808), (9904, 15850), (10144, 15475), (12380, 12680)]