201398210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 402161760

約数和(自身を除く): 200763550

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 109, 122, 130, 218, 233, 305, 466, 545, 610, 793, 1090, 1165, 1417, 1586, 2330, 2834, 3029, 3965, 6058, 6649, 7085, 7930, 13298, 14170, 14213, 15145, 25397, 28426, 30290, 33245, 50794, 66490, 71065, 86437, 126985, 142130, 172874, 184769, 253970, 330161, 369538, 432185, 660322, 864370, 923845, 1549217, 1650805, 1847690, 3098434, 3301610, 7746085, 15492170, 20139821, 40279642, 100699105, 201398210]

約数ペア:

[(1, 201398210), (2, 100699105), (5, 40279642), (10, 20139821), (13, 15492170), (26, 7746085), (61, 3301610), (65, 3098434), (109, 1847690), (122, 1650805), (130, 1549217), (218, 923845), (233, 864370), (305, 660322), (466, 432185), (545, 369538), (610, 330161), (793, 253970), (1090, 184769), (1165, 172874), (1417, 142130), (1586, 126985), (2330, 86437), (2834, 71065), (3029, 66490), (3965, 50794), (6058, 33245), (6649, 30290), (7085, 28426), (7930, 25397), (13298, 15145), (14170, 14213)]