215830990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 412960896

約数和(自身を除く): 197129906

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 607, 961, 1147, 1214, 1922, 2294, 3035, 4805, 5735, 6070, 9610, 11470, 18817, 22459, 35557, 37634, 44918, 71114, 94085, 112295, 177785, 188170, 224590, 355570, 583327, 696229, 1166654, 1392458, 2916635, 3481145, 5833270, 6962290, 21583099, 43166198, 107915495, 215830990]

約数ペア:

[(1, 215830990), (2, 107915495), (5, 43166198), (10, 21583099), (31, 6962290), (37, 5833270), (62, 3481145), (74, 2916635), (155, 1392458), (185, 1166654), (310, 696229), (370, 583327), (607, 355570), (961, 224590), (1147, 188170), (1214, 177785), (1922, 112295), (2294, 94085), (3035, 71114), (4805, 44918), (5735, 37634), (6070, 35557), (9610, 22459), (11470, 18817)]