31317700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 73120320

約数和(自身を除く): 41802620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 311, 380, 475, 530, 622, 950, 1007, 1060, 1244, 1325, 1555, 1900, 2014, 2650, 3110, 4028, 5035, 5300, 5909, 6220, 7775, 10070, 11818, 15550, 16483, 20140, 23636, 25175, 29545, 31100, 32966, 50350, 59090, 65932, 82415, 100700, 118180, 147725, 164830, 295450, 313177, 329660, 412075, 590900, 626354, 824150, 1252708, 1565885, 1648300, 3131770, 6263540, 7829425, 15658850, 31317700]

約数ペア:

[(1, 31317700), (2, 15658850), (4, 7829425), (5, 6263540), (10, 3131770), (19, 1648300), (20, 1565885), (25, 1252708), (38, 824150), (50, 626354), (53, 590900), (76, 412075), (95, 329660), (100, 313177), (106, 295450), (190, 164830), (212, 147725), (265, 118180), (311, 100700), (380, 82415), (475, 65932), (530, 59090), (622, 50350), (950, 32966), (1007, 31100), (1060, 29545), (1244, 25175), (1325, 23636), (1555, 20140), (1900, 16483), (2014, 15550), (2650, 11818), (3110, 10070), (4028, 7775), (5035, 6220), (5300, 5909)]