30904055

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 48109824

約数和(自身を除く): 17205769

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 313, 403, 455, 637, 1085, 1519, 1565, 2015, 2191, 2821, 3185, 4069, 7595, 9703, 10955, 14105, 15337, 19747, 20345, 28483, 48515, 67921, 76685, 98735, 126139, 142415, 199381, 339605, 475447, 630695, 882973, 996905, 2377235, 4414865, 6180811, 30904055]

約数ペア:

[(1, 30904055), (5, 6180811), (7, 4414865), (13, 2377235), (31, 996905), (35, 882973), (49, 630695), (65, 475447), (91, 339605), (155, 199381), (217, 142415), (245, 126139), (313, 98735), (403, 76685), (455, 67921), (637, 48515), (1085, 28483), (1519, 20345), (1565, 19747), (2015, 15337), (2191, 14105), (2821, 10955), (3185, 9703), (4069, 7595)]