400789948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 787198720

約数和(自身を除く): 386408772

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 109, 124, 218, 403, 436, 806, 1417, 1612, 2281, 2834, 3379, 4562, 5668, 6758, 9124, 13516, 29653, 43927, 59306, 70711, 87854, 118612, 141422, 175708, 248629, 282844, 497258, 919243, 994516, 1838486, 3232177, 3676972, 6464354, 7707499, 12928708, 15414998, 30829996, 100197487, 200394974, 400789948]

約数ペア:

[(1, 400789948), (2, 200394974), (4, 100197487), (13, 30829996), (26, 15414998), (31, 12928708), (52, 7707499), (62, 6464354), (109, 3676972), (124, 3232177), (218, 1838486), (403, 994516), (436, 919243), (806, 497258), (1417, 282844), (1612, 248629), (2281, 175708), (2834, 141422), (3379, 118612), (4562, 87854), (5668, 70711), (6758, 59306), (9124, 43927), (13516, 29653)]