28707390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 81881280

約数和(自身を除く): 53173890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 290, 306, 435, 493, 510, 522, 647, 765, 870, 986, 1294, 1305, 1479, 1530, 1941, 2465, 2610, 2958, 3235, 3882, 4437, 4930, 5823, 6470, 7395, 8874, 9705, 10999, 11646, 14790, 18763, 19410, 21998, 22185, 29115, 32997, 37526, 44370, 54995, 56289, 58230, 65994, 93815, 98991, 109990, 112578, 164985, 168867, 187630, 197982, 281445, 318971, 329970, 337734, 494955, 562890, 637942, 844335, 956913, 989910, 1594855, 1688670, 1913826, 2870739, 3189710, 4784565, 5741478, 9569130, 14353695, 28707390]

約数ペア:

[(1, 28707390), (2, 14353695), (3, 9569130), (5, 5741478), (6, 4784565), (9, 3189710), (10, 2870739), (15, 1913826), (17, 1688670), (18, 1594855), (29, 989910), (30, 956913), (34, 844335), (45, 637942), (51, 562890), (58, 494955), (85, 337734), (87, 329970), (90, 318971), (102, 281445), (145, 197982), (153, 187630), (170, 168867), (174, 164985), (255, 112578), (261, 109990), (290, 98991), (306, 93815), (435, 65994), (493, 58230), (510, 56289), (522, 54995), (647, 44370), (765, 37526), (870, 32997), (986, 29115), (1294, 22185), (1305, 21998), (1479, 19410), (1530, 18763), (1941, 14790), (2465, 11646), (2610, 10999), (2958, 9705), (3235, 8874), (3882, 7395), (4437, 6470), (4930, 5823)]