31809050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7023

約数の個数: 48

約数和(自身を含む): 72828672

約数和(自身を除く): 41019622

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 6991, 13982, 34955, 48937, 69910, 90883, 97874, 174775, 181766, 244685, 349550, 454415, 489370, 636181, 908830, 1223425, 1272362, 2272075, 2446850, 3180905, 4544150, 6361810, 15904525, 31809050]

約数ペア:

[(1, 31809050), (2, 15904525), (5, 6361810), (7, 4544150), (10, 3180905), (13, 2446850), (14, 2272075), (25, 1272362), (26, 1223425), (35, 908830), (50, 636181), (65, 489370), (70, 454415), (91, 349550), (130, 244685), (175, 181766), (182, 174775), (325, 97874), (350, 90883), (455, 69910), (650, 48937), (910, 34955), (2275, 13982), (4550, 6991)]