74920571990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{90439}}^1$

素因数の和:90917

約数の個数: 64

約数和(自身を含む): 156124039680

約数和(自身を除く): 81203467690

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 443, 886, 935, 1870, 2215, 4430, 4873, 7531, 9746, 15062, 24365, 37655, 48730, 75310, 82841, 90439, 165682, 180878, 414205, 452195, 828410, 904390, 994829, 1537463, 1989658, 3074926, 4974145, 7687315, 9948290, 15374630, 16912093, 33824186, 40064477, 80128954, 84560465, 169120930, 200322385, 400644770, 440709247, 681096109, 881418494, 1362192218, 2203546235, 3405480545, 4407092470, 6810961090, 7492057199, 14984114398, 37460285995, 74920571990]

約数ペア:

[(1, 74920571990), (2, 37460285995), (5, 14984114398), (10, 7492057199), (11, 6810961090), (17, 4407092470), (22, 3405480545), (34, 2203546235), (55, 1362192218), (85, 881418494), (110, 681096109), (170, 440709247), (187, 400644770), (374, 200322385), (443, 169120930), (886, 84560465), (935, 80128954), (1870, 40064477), (2215, 33824186), (4430, 16912093), (4873, 15374630), (7531, 9948290), (9746, 7687315), (15062, 4974145), (24365, 3074926), (37655, 1989658), (48730, 1537463), (75310, 994829), (82841, 904390), (90439, 828410), (165682, 452195), (180878, 414205)]