123749860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2659}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 157784540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 895, 1790, 2327, 2659, 3580, 4654, 5318, 9308, 10636, 11635, 13295, 23270, 26590, 34567, 46540, 53180, 69134, 138268, 172835, 345670, 475961, 691340, 951922, 1903844, 2379805, 4759610, 6187493, 9519220, 12374986, 24749972, 30937465, 61874930, 123749860]

約数ペア:

[(1, 123749860), (2, 61874930), (4, 30937465), (5, 24749972), (10, 12374986), (13, 9519220), (20, 6187493), (26, 4759610), (52, 2379805), (65, 1903844), (130, 951922), (179, 691340), (260, 475961), (358, 345670), (716, 172835), (895, 138268), (1790, 69134), (2327, 53180), (2659, 46540), (3580, 34567), (4654, 26590), (5318, 23270), (9308, 13295), (10636, 11635)]