1406470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 2822400

約数和(自身を除く): 1415930

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 349, 403, 698, 806, 1745, 2015, 3490, 4030, 4537, 9074, 10819, 21638, 22685, 45370, 54095, 108190, 140647, 281294, 703235, 1406470]

約数ペア:

[(1, 1406470), (2, 703235), (5, 281294), (10, 140647), (13, 108190), (26, 54095), (31, 45370), (62, 22685), (65, 21638), (130, 10819), (155, 9074), (310, 4537), (349, 4030), (403, 3490), (698, 2015), (806, 1745)]