30486820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2429

約数の個数: 72

約数和(自身を含む): 80237304

約数和(自身を除く): 49750484

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2393, 2548, 3185, 4786, 6370, 9572, 11965, 12740, 16751, 23930, 31109, 33502, 47860, 62218, 67004, 83755, 117257, 124436, 155545, 167510, 217763, 234514, 311090, 335020, 435526, 469028, 586285, 622180, 871052, 1088815, 1172570, 1524341, 2177630, 2345140, 3048682, 4355260, 6097364, 7621705, 15243410, 30486820]

約数ペア:

[(1, 30486820), (2, 15243410), (4, 7621705), (5, 6097364), (7, 4355260), (10, 3048682), (13, 2345140), (14, 2177630), (20, 1524341), (26, 1172570), (28, 1088815), (35, 871052), (49, 622180), (52, 586285), (65, 469028), (70, 435526), (91, 335020), (98, 311090), (130, 234514), (140, 217763), (182, 167510), (196, 155545), (245, 124436), (260, 117257), (364, 83755), (455, 67004), (490, 62218), (637, 47860), (910, 33502), (980, 31109), (1274, 23930), (1820, 16751), (2393, 12740), (2548, 11965), (3185, 9572), (4786, 6370)]