79858790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 163175040

約数和(自身を除く): 83316250

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 1210, 1705, 2129, 3410, 3751, 4258, 7502, 10645, 18755, 21290, 23419, 37510, 46838, 65999, 117095, 131998, 234190, 257609, 329995, 515218, 659990, 725989, 1288045, 1451978, 2576090, 3629945, 7259890, 7985879, 15971758, 39929395, 79858790]

約数ペア:

[(1, 79858790), (2, 39929395), (5, 15971758), (10, 7985879), (11, 7259890), (22, 3629945), (31, 2576090), (55, 1451978), (62, 1288045), (110, 725989), (121, 659990), (155, 515218), (242, 329995), (310, 257609), (341, 234190), (605, 131998), (682, 117095), (1210, 65999), (1705, 46838), (2129, 37510), (3410, 23419), (3751, 21290), (4258, 18755), (7502, 10645)]