28396830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 128

約数和(自身を含む): 89579520

約数和(自身を除く): 61182690

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 570, 627, 647, 665, 770, 798, 1045, 1155, 1254, 1294, 1330, 1463, 1941, 1995, 2090, 2310, 2926, 3135, 3235, 3882, 3990, 4389, 4529, 6270, 6470, 7117, 7315, 8778, 9058, 9705, 12293, 13587, 14234, 14630, 19410, 21351, 21945, 22645, 24586, 27174, 35585, 36879, 42702, 43890, 45290, 49819, 61465, 67935, 71170, 73758, 86051, 99638, 106755, 122930, 135223, 135870, 149457, 172102, 184395, 213510, 249095, 258153, 270446, 298914, 368790, 405669, 430255, 498190, 516306, 676115, 747285, 811338, 860510, 946561, 1290765, 1352230, 1494570, 1893122, 2028345, 2581530, 2839683, 4056690, 4732805, 5679366, 9465610, 14198415, 28396830]

約数ペア:

[(1, 28396830), (2, 14198415), (3, 9465610), (5, 5679366), (6, 4732805), (7, 4056690), (10, 2839683), (11, 2581530), (14, 2028345), (15, 1893122), (19, 1494570), (21, 1352230), (22, 1290765), (30, 946561), (33, 860510), (35, 811338), (38, 747285), (42, 676115), (55, 516306), (57, 498190), (66, 430255), (70, 405669), (77, 368790), (95, 298914), (105, 270446), (110, 258153), (114, 249095), (133, 213510), (154, 184395), (165, 172102), (190, 149457), (209, 135870), (210, 135223), (231, 122930), (266, 106755), (285, 99638), (330, 86051), (385, 73758), (399, 71170), (418, 67935), (462, 61465), (570, 49819), (627, 45290), (647, 43890), (665, 42702), (770, 36879), (798, 35585), (1045, 27174), (1155, 24586), (1254, 22645), (1294, 21945), (1330, 21351), (1463, 19410), (1941, 14630), (1995, 14234), (2090, 13587), (2310, 12293), (2926, 9705), (3135, 9058), (3235, 8778), (3882, 7315), (3990, 7117), (4389, 6470), (4529, 6270)]