204941275

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 328746816

約数和(自身を除く): 123805541

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 67, 77, 175, 227, 245, 275, 335, 385, 469, 539, 737, 1135, 1225, 1589, 1675, 1925, 2345, 2497, 2695, 3283, 3685, 5159, 5675, 7945, 11123, 11725, 12485, 13475, 15209, 16415, 17479, 18425, 25795, 36113, 39725, 55615, 62425, 76045, 82075, 87395, 106463, 122353, 128975, 167299, 180565, 278075, 380225, 436975, 532315, 611765, 745241, 836495, 902825, 1171093, 2661575, 3058825, 3726205, 4182475, 5855465, 8197651, 18631025, 29277325, 40988255, 204941275]

約数ペア:

[(1, 204941275), (5, 40988255), (7, 29277325), (11, 18631025), (25, 8197651), (35, 5855465), (49, 4182475), (55, 3726205), (67, 3058825), (77, 2661575), (175, 1171093), (227, 902825), (245, 836495), (275, 745241), (335, 611765), (385, 532315), (469, 436975), (539, 380225), (737, 278075), (1135, 180565), (1225, 167299), (1589, 128975), (1675, 122353), (1925, 106463), (2345, 87395), (2497, 82075), (2695, 76045), (3283, 62425), (3685, 55615), (5159, 39725), (5675, 36113), (7945, 25795), (11123, 18425), (11725, 17479), (12485, 16415), (13475, 15209)]