289225980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4451}}^1$

素因数の和:4504

約数の個数: 108

約数和(自身を含む): 926131752

約数和(自身を除く): 636905772

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, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3420, 3610, 4332, 4451, 5415, 6498, 7220, 8902, 10830, 12996, 13353, 16245, 17804, 21660, 22255, 26706, 32490, 40059, 44510, 53412, 64980, 66765, 80118, 84569, 89020, 133530, 160236, 169138, 200295, 253707, 267060, 338276, 400590, 422845, 507414, 761121, 801180, 845690, 1014828, 1268535, 1522242, 1606811, 1691380, 2537070, 3044484, 3213622, 3805605, 4820433, 5074140, 6427244, 7611210, 8034055, 9640866, 14461299, 15222420, 16068110, 19281732, 24102165, 28922598, 32136220, 48204330, 57845196, 72306495, 96408660, 144612990, 289225980]

約数ペア:

[(1, 289225980), (2, 144612990), (3, 96408660), (4, 72306495), (5, 57845196), (6, 48204330), (9, 32136220), (10, 28922598), (12, 24102165), (15, 19281732), (18, 16068110), (19, 15222420), (20, 14461299), (30, 9640866), (36, 8034055), (38, 7611210), (45, 6427244), (57, 5074140), (60, 4820433), (76, 3805605), (90, 3213622), (95, 3044484), (114, 2537070), (171, 1691380), (180, 1606811), (190, 1522242), (228, 1268535), (285, 1014828), (342, 845690), (361, 801180), (380, 761121), (570, 507414), (684, 422845), (722, 400590), (855, 338276), (1083, 267060), (1140, 253707), (1444, 200295), (1710, 169138), (1805, 160236), (2166, 133530), (3249, 89020), (3420, 84569), (3610, 80118), (4332, 66765), (4451, 64980), (5415, 53412), (6498, 44510), (7220, 40059), (8902, 32490), (10830, 26706), (12996, 22255), (13353, 21660), (16245, 17804)]