91015100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 217933968

約数和(自身を除く): 126918868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 275, 388, 485, 550, 853, 970, 1067, 1100, 1706, 1940, 2134, 2425, 3412, 4265, 4268, 4850, 5335, 8530, 9383, 9700, 10670, 17060, 18766, 21325, 21340, 26675, 37532, 42650, 46915, 53350, 82741, 85300, 93830, 106700, 165482, 187660, 234575, 330964, 413705, 469150, 827410, 910151, 938300, 1654820, 1820302, 2068525, 3640604, 4137050, 4550755, 8274100, 9101510, 18203020, 22753775, 45507550, 91015100]

約数ペア:

[(1, 91015100), (2, 45507550), (4, 22753775), (5, 18203020), (10, 9101510), (11, 8274100), (20, 4550755), (22, 4137050), (25, 3640604), (44, 2068525), (50, 1820302), (55, 1654820), (97, 938300), (100, 910151), (110, 827410), (194, 469150), (220, 413705), (275, 330964), (388, 234575), (485, 187660), (550, 165482), (853, 106700), (970, 93830), (1067, 85300), (1100, 82741), (1706, 53350), (1940, 46915), (2134, 42650), (2425, 37532), (3412, 26675), (4265, 21340), (4268, 21325), (4850, 18766), (5335, 17060), (8530, 10670), (9383, 9700)]