15739900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 38278800

約数和(自身を除く): 22538900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 349, 410, 451, 550, 698, 820, 902, 1025, 1100, 1396, 1745, 1804, 2050, 2255, 3490, 3839, 4100, 4510, 6980, 7678, 8725, 9020, 11275, 14309, 15356, 17450, 19195, 22550, 28618, 34900, 38390, 45100, 57236, 71545, 76780, 95975, 143090, 157399, 191950, 286180, 314798, 357725, 383900, 629596, 715450, 786995, 1430900, 1573990, 3147980, 3934975, 7869950, 15739900]

約数ペア:

[(1, 15739900), (2, 7869950), (4, 3934975), (5, 3147980), (10, 1573990), (11, 1430900), (20, 786995), (22, 715450), (25, 629596), (41, 383900), (44, 357725), (50, 314798), (55, 286180), (82, 191950), (100, 157399), (110, 143090), (164, 95975), (205, 76780), (220, 71545), (275, 57236), (349, 45100), (410, 38390), (451, 34900), (550, 28618), (698, 22550), (820, 19195), (902, 17450), (1025, 15356), (1100, 14309), (1396, 11275), (1745, 9020), (1804, 8725), (2050, 7678), (2255, 6980), (3490, 4510), (3839, 4100)]