7865480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4013}}^1$

素因数の和:4038

約数の個数: 48

約数和(自身を含む): 20591820

約数和(自身を除く): 12726340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4013, 8026, 16052, 20065, 28091, 32104, 40130, 56182, 80260, 112364, 140455, 160520, 196637, 224728, 280910, 393274, 561820, 786548, 983185, 1123640, 1573096, 1966370, 3932740, 7865480]

約数ペア:

[(1, 7865480), (2, 3932740), (4, 1966370), (5, 1573096), (7, 1123640), (8, 983185), (10, 786548), (14, 561820), (20, 393274), (28, 280910), (35, 224728), (40, 196637), (49, 160520), (56, 140455), (70, 112364), (98, 80260), (140, 56182), (196, 40130), (245, 32104), (280, 28091), (392, 20065), (490, 16052), (980, 8026), (1960, 4013)]