77773840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2693}}^1$

素因数の和:2744

約数の個数: 60

約数和(自身を含む): 190913004

約数和(自身を除く): 113139164

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2693, 2888, 3610, 5386, 5776, 7220, 10772, 13465, 14440, 21544, 26930, 28880, 43088, 51167, 53860, 102334, 107720, 204668, 215440, 255835, 409336, 511670, 818672, 972173, 1023340, 1944346, 2046680, 3888692, 4093360, 4860865, 7777384, 9721730, 15554768, 19443460, 38886920, 77773840]

約数ペア:

[(1, 77773840), (2, 38886920), (4, 19443460), (5, 15554768), (8, 9721730), (10, 7777384), (16, 4860865), (19, 4093360), (20, 3888692), (38, 2046680), (40, 1944346), (76, 1023340), (80, 972173), (95, 818672), (152, 511670), (190, 409336), (304, 255835), (361, 215440), (380, 204668), (722, 107720), (760, 102334), (1444, 53860), (1520, 51167), (1805, 43088), (2693, 28880), (2888, 26930), (3610, 21544), (5386, 14440), (5776, 13465), (7220, 10772)]