38820420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11351}}^1$

素因数の和:11385

約数の個数: 72

約数和(自身を含む): 123963840

約数和(自身を除く): 85143420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11351, 22702, 34053, 45404, 56755, 68106, 102159, 113510, 136212, 170265, 204318, 215669, 227020, 340530, 408636, 431338, 510795, 647007, 681060, 862676, 1021590, 1078345, 1294014, 1941021, 2043180, 2156690, 2588028, 3235035, 3882042, 4313380, 6470070, 7764084, 9705105, 12940140, 19410210, 38820420]

約数ペア:

[(1, 38820420), (2, 19410210), (3, 12940140), (4, 9705105), (5, 7764084), (6, 6470070), (9, 4313380), (10, 3882042), (12, 3235035), (15, 2588028), (18, 2156690), (19, 2043180), (20, 1941021), (30, 1294014), (36, 1078345), (38, 1021590), (45, 862676), (57, 681060), (60, 647007), (76, 510795), (90, 431338), (95, 408636), (114, 340530), (171, 227020), (180, 215669), (190, 204318), (228, 170265), (285, 136212), (342, 113510), (380, 102159), (570, 68106), (684, 56755), (855, 45404), (1140, 34053), (1710, 22702), (3420, 11351)]