168774580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{853}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 382639824

約数和(自身を除く): 213865244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 761, 853, 1522, 1706, 3044, 3412, 3805, 4265, 7610, 8530, 9893, 11089, 15220, 17060, 19786, 22178, 39572, 44356, 49465, 55445, 98930, 110890, 197860, 221780, 649133, 1298266, 2596532, 3245665, 6491330, 8438729, 12982660, 16877458, 33754916, 42193645, 84387290, 168774580]

約数ペア:

[(1, 168774580), (2, 84387290), (4, 42193645), (5, 33754916), (10, 16877458), (13, 12982660), (20, 8438729), (26, 6491330), (52, 3245665), (65, 2596532), (130, 1298266), (260, 649133), (761, 221780), (853, 197860), (1522, 110890), (1706, 98930), (3044, 55445), (3412, 49465), (3805, 44356), (4265, 39572), (7610, 22178), (8530, 19786), (9893, 17060), (11089, 15220)]