30971900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{16301}}^1$

素因数の和:16334

約数の個数: 36

約数和(自身を含む): 70750680

約数和(自身を除く): 39778780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 16301, 32602, 65204, 81505, 163010, 309719, 326020, 407525, 619438, 815050, 1238876, 1548595, 1630100, 3097190, 6194380, 7742975, 15485950, 30971900]

約数ペア:

[(1, 30971900), (2, 15485950), (4, 7742975), (5, 6194380), (10, 3097190), (19, 1630100), (20, 1548595), (25, 1238876), (38, 815050), (50, 619438), (76, 407525), (95, 326020), (100, 309719), (190, 163010), (380, 81505), (475, 65204), (950, 32602), (1900, 16301)]