81700850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21221}}^1$

素因数の和:21251

約数の個数: 48

約数和(自身を含む): 189470016

約数和(自身を除く): 107769166

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21221, 42442, 106105, 148547, 212210, 233431, 297094, 466862, 530525, 742735, 1061050, 1167155, 1485470, 1634017, 2334310, 3268034, 3713675, 5835775, 7427350, 8170085, 11671550, 16340170, 40850425, 81700850]

約数ペア:

[(1, 81700850), (2, 40850425), (5, 16340170), (7, 11671550), (10, 8170085), (11, 7427350), (14, 5835775), (22, 3713675), (25, 3268034), (35, 2334310), (50, 1634017), (55, 1485470), (70, 1167155), (77, 1061050), (110, 742735), (154, 530525), (175, 466862), (275, 297094), (350, 233431), (385, 212210), (550, 148547), (770, 106105), (1925, 42442), (3850, 21221)]