28298790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 84874608

約数和(自身を除く): 56575818

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 67, 78, 90, 95, 114, 117, 130, 134, 171, 190, 195, 201, 234, 247, 285, 335, 342, 361, 390, 402, 494, 570, 585, 603, 670, 722, 741, 855, 871, 1005, 1083, 1170, 1206, 1235, 1273, 1482, 1710, 1742, 1805, 2010, 2166, 2223, 2470, 2546, 2613, 3015, 3249, 3610, 3705, 3819, 4355, 4446, 4693, 5226, 5415, 6030, 6365, 6498, 7410, 7638, 7839, 8710, 9386, 10830, 11115, 11457, 12730, 13065, 14079, 15678, 16245, 16549, 19095, 22230, 22914, 23465, 24187, 26130, 28158, 32490, 33098, 38190, 39195, 42237, 46930, 48374, 49647, 57285, 70395, 72561, 78390, 82745, 84474, 99294, 114570, 120935, 140790, 145122, 148941, 165490, 211185, 217683, 241870, 248235, 297882, 314431, 362805, 422370, 435366, 496470, 628862, 725610, 744705, 943293, 1088415, 1489410, 1572155, 1886586, 2176830, 2829879, 3144310, 4716465, 5659758, 9432930, 14149395, 28298790]

約数ペア:

[(1, 28298790), (2, 14149395), (3, 9432930), (5, 5659758), (6, 4716465), (9, 3144310), (10, 2829879), (13, 2176830), (15, 1886586), (18, 1572155), (19, 1489410), (26, 1088415), (30, 943293), (38, 744705), (39, 725610), (45, 628862), (57, 496470), (65, 435366), (67, 422370), (78, 362805), (90, 314431), (95, 297882), (114, 248235), (117, 241870), (130, 217683), (134, 211185), (171, 165490), (190, 148941), (195, 145122), (201, 140790), (234, 120935), (247, 114570), (285, 99294), (335, 84474), (342, 82745), (361, 78390), (390, 72561), (402, 70395), (494, 57285), (570, 49647), (585, 48374), (603, 46930), (670, 42237), (722, 39195), (741, 38190), (855, 33098), (871, 32490), (1005, 28158), (1083, 26130), (1170, 24187), (1206, 23465), (1235, 22914), (1273, 22230), (1482, 19095), (1710, 16549), (1742, 16245), (1805, 15678), (2010, 14079), (2166, 13065), (2223, 12730), (2470, 11457), (2546, 11115), (2613, 10830), (3015, 9386), (3249, 8710), (3610, 7839), (3705, 7638), (3819, 7410), (4355, 6498), (4446, 6365), (4693, 6030), (5226, 5415)]