28549950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 83874840

約数和(自身を除く): 55324890

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 121, 130, 143, 150, 165, 195, 242, 275, 286, 325, 330, 363, 390, 429, 550, 605, 650, 715, 726, 825, 858, 975, 1210, 1331, 1430, 1573, 1650, 1815, 1950, 2145, 2662, 3025, 3146, 3575, 3630, 3993, 4290, 4719, 6050, 6655, 7150, 7865, 7986, 9075, 9438, 10725, 13310, 14641, 15730, 17303, 18150, 19965, 21450, 23595, 29282, 33275, 34606, 39325, 39930, 43923, 47190, 51909, 66550, 73205, 78650, 86515, 87846, 99825, 103818, 117975, 146410, 173030, 190333, 199650, 219615, 235950, 259545, 366025, 380666, 432575, 439230, 519090, 570999, 732050, 865150, 951665, 1098075, 1141998, 1297725, 1903330, 2196150, 2595450, 2854995, 4758325, 5709990, 9516650, 14274975, 28549950]

約数ペア:

[(1, 28549950), (2, 14274975), (3, 9516650), (5, 5709990), (6, 4758325), (10, 2854995), (11, 2595450), (13, 2196150), (15, 1903330), (22, 1297725), (25, 1141998), (26, 1098075), (30, 951665), (33, 865150), (39, 732050), (50, 570999), (55, 519090), (65, 439230), (66, 432575), (75, 380666), (78, 366025), (110, 259545), (121, 235950), (130, 219615), (143, 199650), (150, 190333), (165, 173030), (195, 146410), (242, 117975), (275, 103818), (286, 99825), (325, 87846), (330, 86515), (363, 78650), (390, 73205), (429, 66550), (550, 51909), (605, 47190), (650, 43923), (715, 39930), (726, 39325), (825, 34606), (858, 33275), (975, 29282), (1210, 23595), (1331, 21450), (1430, 19965), (1573, 18150), (1650, 17303), (1815, 15730), (1950, 14641), (2145, 13310), (2662, 10725), (3025, 9438), (3146, 9075), (3575, 7986), (3630, 7865), (3993, 7150), (4290, 6655), (4719, 6050)]