67968700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 157489920

約数和(自身を除く): 89521220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 332, 380, 415, 431, 475, 830, 862, 950, 1577, 1660, 1724, 1900, 2075, 2155, 3154, 4150, 4310, 6308, 7885, 8189, 8300, 8620, 10775, 15770, 16378, 21550, 31540, 32756, 35773, 39425, 40945, 43100, 71546, 78850, 81890, 143092, 157700, 163780, 178865, 204725, 357730, 409450, 679687, 715460, 818900, 894325, 1359374, 1788650, 2718748, 3398435, 3577300, 6796870, 13593740, 16992175, 33984350, 67968700]

約数ペア:

[(1, 67968700), (2, 33984350), (4, 16992175), (5, 13593740), (10, 6796870), (19, 3577300), (20, 3398435), (25, 2718748), (38, 1788650), (50, 1359374), (76, 894325), (83, 818900), (95, 715460), (100, 679687), (166, 409450), (190, 357730), (332, 204725), (380, 178865), (415, 163780), (431, 157700), (475, 143092), (830, 81890), (862, 78850), (950, 71546), (1577, 43100), (1660, 40945), (1724, 39425), (1900, 35773), (2075, 32756), (2155, 31540), (3154, 21550), (4150, 16378), (4310, 15770), (6308, 10775), (7885, 8620), (8189, 8300)]