201821230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 416404800

約数和(自身を除く): 214583570

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 101, 130, 190, 202, 247, 494, 505, 809, 1010, 1235, 1313, 1618, 1919, 2470, 2626, 3838, 4045, 6565, 8090, 9595, 10517, 13130, 15371, 19190, 21034, 24947, 30742, 49894, 52585, 76855, 81709, 105170, 124735, 153710, 163418, 199823, 249470, 399646, 408545, 817090, 999115, 1062217, 1552471, 1998230, 2124434, 3104942, 5311085, 7762355, 10622170, 15524710, 20182123, 40364246, 100910615, 201821230]

約数ペア:

[(1, 201821230), (2, 100910615), (5, 40364246), (10, 20182123), (13, 15524710), (19, 10622170), (26, 7762355), (38, 5311085), (65, 3104942), (95, 2124434), (101, 1998230), (130, 1552471), (190, 1062217), (202, 999115), (247, 817090), (494, 408545), (505, 399646), (809, 249470), (1010, 199823), (1235, 163418), (1313, 153710), (1618, 124735), (1919, 105170), (2470, 81709), (2626, 76855), (3838, 52585), (4045, 49894), (6565, 30742), (8090, 24947), (9595, 21034), (10517, 19190), (13130, 15371)]