30675905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 44561664

約数和(自身を除く): 13885759

約数列:

[1, 5, 13, 17, 23, 65, 71, 85, 115, 221, 289, 299, 355, 391, 923, 1105, 1207, 1445, 1495, 1633, 1955, 3757, 4615, 5083, 6035, 6647, 8165, 15691, 18785, 20519, 21229, 25415, 27761, 33235, 78455, 86411, 102595, 106145, 138805, 266747, 360893, 432055, 471937, 1333735, 1804465, 2359685, 6135181, 30675905]

約数ペア:

[(1, 30675905), (5, 6135181), (13, 2359685), (17, 1804465), (23, 1333735), (65, 471937), (71, 432055), (85, 360893), (115, 266747), (221, 138805), (289, 106145), (299, 102595), (355, 86411), (391, 78455), (923, 33235), (1105, 27761), (1207, 25415), (1445, 21229), (1495, 20519), (1633, 18785), (1955, 15691), (3757, 8165), (4615, 6647), (5083, 6035)]