51343700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 119471520

約数和(自身を除く): 68127820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 305, 380, 443, 475, 610, 886, 950, 1159, 1220, 1525, 1772, 1900, 2215, 2318, 3050, 4430, 4636, 5795, 6100, 8417, 8860, 11075, 11590, 16834, 22150, 23180, 27023, 28975, 33668, 42085, 44300, 54046, 57950, 84170, 108092, 115900, 135115, 168340, 210425, 270230, 420850, 513437, 540460, 675575, 841700, 1026874, 1351150, 2053748, 2567185, 2702300, 5134370, 10268740, 12835925, 25671850, 51343700]

約数ペア:

[(1, 51343700), (2, 25671850), (4, 12835925), (5, 10268740), (10, 5134370), (19, 2702300), (20, 2567185), (25, 2053748), (38, 1351150), (50, 1026874), (61, 841700), (76, 675575), (95, 540460), (100, 513437), (122, 420850), (190, 270230), (244, 210425), (305, 168340), (380, 135115), (443, 115900), (475, 108092), (610, 84170), (886, 57950), (950, 54046), (1159, 44300), (1220, 42085), (1525, 33668), (1772, 28975), (1900, 27023), (2215, 23180), (2318, 22150), (3050, 16834), (4430, 11590), (4636, 11075), (5795, 8860), (6100, 8417)]