31779100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 73932768

約数和(自身を除く): 42153668

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 337, 410, 460, 575, 674, 820, 943, 1025, 1150, 1348, 1685, 1886, 2050, 2300, 3370, 3772, 4100, 4715, 6740, 7751, 8425, 9430, 13817, 15502, 16850, 18860, 23575, 27634, 31004, 33700, 38755, 47150, 55268, 69085, 77510, 94300, 138170, 155020, 193775, 276340, 317791, 345425, 387550, 635582, 690850, 775100, 1271164, 1381700, 1588955, 3177910, 6355820, 7944775, 15889550, 31779100]

約数ペア:

[(1, 31779100), (2, 15889550), (4, 7944775), (5, 6355820), (10, 3177910), (20, 1588955), (23, 1381700), (25, 1271164), (41, 775100), (46, 690850), (50, 635582), (82, 387550), (92, 345425), (100, 317791), (115, 276340), (164, 193775), (205, 155020), (230, 138170), (337, 94300), (410, 77510), (460, 69085), (575, 55268), (674, 47150), (820, 38755), (943, 33700), (1025, 31004), (1150, 27634), (1348, 23575), (1685, 18860), (1886, 16850), (2050, 15502), (2300, 13817), (3370, 9430), (3772, 8425), (4100, 7751), (4715, 6740)]