388307580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 1107025920

約数和(自身を除く): 718718340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 131, 254, 262, 381, 389, 393, 508, 524, 635, 655, 762, 778, 786, 1167, 1270, 1310, 1524, 1556, 1572, 1905, 1945, 1965, 2334, 2540, 2620, 3810, 3890, 3930, 4668, 5835, 7620, 7780, 7860, 11670, 16637, 23340, 33274, 49403, 49911, 50959, 66548, 83185, 98806, 99822, 101918, 148209, 152877, 166370, 197612, 199644, 203836, 247015, 249555, 254795, 296418, 305754, 332740, 494030, 499110, 509590, 592836, 611508, 741045, 764385, 988060, 998220, 1019180, 1482090, 1528770, 2964180, 3057540, 6471793, 12943586, 19415379, 25887172, 32358965, 38830758, 64717930, 77661516, 97076895, 129435860, 194153790, 388307580]

約数ペア:

[(1, 388307580), (2, 194153790), (3, 129435860), (4, 97076895), (5, 77661516), (6, 64717930), (10, 38830758), (12, 32358965), (15, 25887172), (20, 19415379), (30, 12943586), (60, 6471793), (127, 3057540), (131, 2964180), (254, 1528770), (262, 1482090), (381, 1019180), (389, 998220), (393, 988060), (508, 764385), (524, 741045), (635, 611508), (655, 592836), (762, 509590), (778, 499110), (786, 494030), (1167, 332740), (1270, 305754), (1310, 296418), (1524, 254795), (1556, 249555), (1572, 247015), (1905, 203836), (1945, 199644), (1965, 197612), (2334, 166370), (2540, 152877), (2620, 148209), (3810, 101918), (3890, 99822), (3930, 98806), (4668, 83185), (5835, 66548), (7620, 50959), (7780, 49911), (7860, 49403), (11670, 33274), (16637, 23340)]