29811100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 72401616

約数和(自身を除く): 42590516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 661, 820, 902, 1025, 1100, 1322, 1804, 2050, 2255, 2644, 3305, 4100, 4510, 6610, 7271, 9020, 11275, 13220, 14542, 16525, 22550, 27101, 29084, 33050, 36355, 45100, 54202, 66100, 72710, 108404, 135505, 145420, 181775, 271010, 298111, 363550, 542020, 596222, 677525, 727100, 1192444, 1355050, 1490555, 2710100, 2981110, 5962220, 7452775, 14905550, 29811100]

約数ペア:

[(1, 29811100), (2, 14905550), (4, 7452775), (5, 5962220), (10, 2981110), (11, 2710100), (20, 1490555), (22, 1355050), (25, 1192444), (41, 727100), (44, 677525), (50, 596222), (55, 542020), (82, 363550), (100, 298111), (110, 271010), (164, 181775), (205, 145420), (220, 135505), (275, 108404), (410, 72710), (451, 66100), (550, 54202), (661, 45100), (820, 36355), (902, 33050), (1025, 29084), (1100, 27101), (1322, 22550), (1804, 16525), (2050, 14542), (2255, 13220), (2644, 11275), (3305, 9020), (4100, 7271), (4510, 6610)]