81388300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{116269}}^1$

素因数の和:116290

約数の個数: 36

約数和(自身を含む): 201844720

約数和(自身を除く): 120456420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 116269, 232538, 465076, 581345, 813883, 1162690, 1627766, 2325380, 2906725, 3255532, 4069415, 5813450, 8138830, 11626900, 16277660, 20347075, 40694150, 81388300]

約数ペア:

[(1, 81388300), (2, 40694150), (4, 20347075), (5, 16277660), (7, 11626900), (10, 8138830), (14, 5813450), (20, 4069415), (25, 3255532), (28, 2906725), (35, 2325380), (50, 1627766), (70, 1162690), (100, 813883), (140, 581345), (175, 465076), (350, 232538), (700, 116269)]