71487940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 84550460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 590, 940, 1180, 1289, 2578, 2773, 5156, 5546, 6445, 11092, 12890, 13865, 25780, 27730, 55460, 60583, 76051, 121166, 152102, 242332, 302915, 304204, 380255, 605830, 760510, 1211660, 1521020, 3574397, 7148794, 14297588, 17871985, 35743970, 71487940]

約数ペア:

[(1, 71487940), (2, 35743970), (4, 17871985), (5, 14297588), (10, 7148794), (20, 3574397), (47, 1521020), (59, 1211660), (94, 760510), (118, 605830), (188, 380255), (235, 304204), (236, 302915), (295, 242332), (470, 152102), (590, 121166), (940, 76051), (1180, 60583), (1289, 55460), (2578, 27730), (2773, 25780), (5156, 13865), (5546, 12890), (6445, 11092)]