99906100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{20389}}^1$

素因数の和:20417

約数の個数: 54

約数和(自身を含む): 252203910

約数和(自身を除く): 152297810

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 20389, 40778, 81556, 101945, 142723, 203890, 285446, 407780, 509725, 570892, 713615, 999061, 1019450, 1427230, 1998122, 2038900, 2854460, 3568075, 3996244, 4995305, 7136150, 9990610, 14272300, 19981220, 24976525, 49953050, 99906100]

約数ペア:

[(1, 99906100), (2, 49953050), (4, 24976525), (5, 19981220), (7, 14272300), (10, 9990610), (14, 7136150), (20, 4995305), (25, 3996244), (28, 3568075), (35, 2854460), (49, 2038900), (50, 1998122), (70, 1427230), (98, 1019450), (100, 999061), (140, 713615), (175, 570892), (196, 509725), (245, 407780), (350, 285446), (490, 203890), (700, 142723), (980, 101945), (1225, 81556), (2450, 40778), (4900, 20389)]