977687560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{29917}}^1$

素因数の和:29990

約数の個数: 64

約数和(自身を含む): 2369505600

約数和(自身を除く): 1391818040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 29917, 32680, 59834, 119668, 149585, 239336, 299170, 568423, 598340, 1136846, 1196680, 1286431, 2273692, 2572862, 2842115, 4547384, 5145724, 5684230, 6432155, 10291448, 11368460, 12864310, 22736920, 24442189, 25728620, 48884378, 51457240, 97768756, 122210945, 195537512, 244421890, 488843780, 977687560]

約数ペア:

[(1, 977687560), (2, 488843780), (4, 244421890), (5, 195537512), (8, 122210945), (10, 97768756), (19, 51457240), (20, 48884378), (38, 25728620), (40, 24442189), (43, 22736920), (76, 12864310), (86, 11368460), (95, 10291448), (152, 6432155), (172, 5684230), (190, 5145724), (215, 4547384), (344, 2842115), (380, 2572862), (430, 2273692), (760, 1286431), (817, 1196680), (860, 1136846), (1634, 598340), (1720, 568423), (3268, 299170), (4085, 239336), (6536, 149585), (8170, 119668), (16340, 59834), (29917, 32680)]