1724366920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 3927884400

約数和(自身を除く): 2203517480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 617, 641, 872, 1090, 1234, 1282, 2180, 2468, 2564, 3085, 3205, 4360, 4936, 5128, 6170, 6410, 12340, 12820, 24680, 25640, 67253, 69869, 134506, 139738, 269012, 279476, 336265, 349345, 395497, 538024, 558952, 672530, 698690, 790994, 1345060, 1397380, 1581988, 1977485, 2690120, 2794760, 3163976, 3954970, 7909940, 15819880, 43109173, 86218346, 172436692, 215545865, 344873384, 431091730, 862183460, 1724366920]

約数ペア:

[(1, 1724366920), (2, 862183460), (4, 431091730), (5, 344873384), (8, 215545865), (10, 172436692), (20, 86218346), (40, 43109173), (109, 15819880), (218, 7909940), (436, 3954970), (545, 3163976), (617, 2794760), (641, 2690120), (872, 1977485), (1090, 1581988), (1234, 1397380), (1282, 1345060), (2180, 790994), (2468, 698690), (2564, 672530), (3085, 558952), (3205, 538024), (4360, 395497), (4936, 349345), (5128, 336265), (6170, 279476), (6410, 269012), (12340, 139738), (12820, 134506), (24680, 69869), (25640, 67253)]