289905420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2192

約数の個数: 192

約数和(自身を含む): 1034449920

約数和(自身を除く): 744544500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2137, 2261, 2380, 2660, 3230, 3570, 3876, 3990, 4274, 4522, 4845, 6411, 6460, 6783, 7140, 7980, 8548, 9044, 9690, 10685, 11305, 12822, 13566, 14959, 19380, 21370, 22610, 25644, 27132, 29918, 32055, 33915, 36329, 40603, 42740, 44877, 45220, 59836, 64110, 67830, 72658, 74795, 81206, 89754, 108987, 121809, 128220, 135660, 145316, 149590, 162412, 179508, 181645, 203015, 217974, 224385, 243618, 254303, 284221, 299180, 363290, 406030, 435948, 448770, 487236, 508606, 544935, 568442, 609045, 690251, 726580, 762909, 812060, 852663, 897540, 1017212, 1089870, 1136884, 1218090, 1271515, 1380502, 1421105, 1525818, 1705326, 2070753, 2179740, 2436180, 2543030, 2761004, 2842210, 3051636, 3410652, 3451255, 3814545, 4141506, 4263315, 4831757, 5086060, 5684420, 6902510, 7629090, 8283012, 8526630, 9663514, 10353765, 13805020, 14495271, 15258180, 17053260, 19327028, 20707530, 24158785, 28990542, 41415060, 48317570, 57981084, 72476355, 96635140, 144952710, 289905420]

約数ペア:

[(1, 289905420), (2, 144952710), (3, 96635140), (4, 72476355), (5, 57981084), (6, 48317570), (7, 41415060), (10, 28990542), (12, 24158785), (14, 20707530), (15, 19327028), (17, 17053260), (19, 15258180), (20, 14495271), (21, 13805020), (28, 10353765), (30, 9663514), (34, 8526630), (35, 8283012), (38, 7629090), (42, 6902510), (51, 5684420), (57, 5086060), (60, 4831757), (68, 4263315), (70, 4141506), (76, 3814545), (84, 3451255), (85, 3410652), (95, 3051636), (102, 2842210), (105, 2761004), (114, 2543030), (119, 2436180), (133, 2179740), (140, 2070753), (170, 1705326), (190, 1525818), (204, 1421105), (210, 1380502), (228, 1271515), (238, 1218090), (255, 1136884), (266, 1089870), (285, 1017212), (323, 897540), (340, 852663), (357, 812060), (380, 762909), (399, 726580), (420, 690251), (476, 609045), (510, 568442), (532, 544935), (570, 508606), (595, 487236), (646, 448770), (665, 435948), (714, 406030), (798, 363290), (969, 299180), (1020, 284221), (1140, 254303), (1190, 243618), (1292, 224385), (1330, 217974), (1428, 203015), (1596, 181645), (1615, 179508), (1785, 162412), (1938, 149590), (1995, 145316), (2137, 135660), (2261, 128220), (2380, 121809), (2660, 108987), (3230, 89754), (3570, 81206), (3876, 74795), (3990, 72658), (4274, 67830), (4522, 64110), (4845, 59836), (6411, 45220), (6460, 44877), (6783, 42740), (7140, 40603), (7980, 36329), (8548, 33915), (9044, 32055), (9690, 29918), (10685, 27132), (11305, 25644), (12822, 22610), (13566, 21370), (14959, 19380)]