1442740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 1944140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 179, 260, 310, 358, 403, 620, 716, 806, 895, 1612, 1790, 2015, 2327, 3580, 4030, 4654, 5549, 8060, 9308, 11098, 11635, 22196, 23270, 27745, 46540, 55490, 72137, 110980, 144274, 288548, 360685, 721370, 1442740]

約数ペア:

[(1, 1442740), (2, 721370), (4, 360685), (5, 288548), (10, 144274), (13, 110980), (20, 72137), (26, 55490), (31, 46540), (52, 27745), (62, 23270), (65, 22196), (124, 11635), (130, 11098), (155, 9308), (179, 8060), (260, 5549), (310, 4654), (358, 4030), (403, 3580), (620, 2327), (716, 2015), (806, 1790), (895, 1612)]