289807870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 581950656

約数和(自身を除く): 292142786

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 157, 173, 194, 314, 346, 485, 785, 865, 970, 1067, 1570, 1727, 1730, 1903, 2134, 3454, 3806, 5335, 8635, 9515, 10670, 15229, 16781, 17270, 19030, 27161, 30458, 33562, 54322, 76145, 83905, 135805, 152290, 167519, 167810, 184591, 271610, 298771, 335038, 369182, 597542, 837595, 922955, 1493855, 1675190, 1845910, 2634617, 2987710, 5269234, 13173085, 26346170, 28980787, 57961574, 144903935, 289807870]

約数ペア:

[(1, 289807870), (2, 144903935), (5, 57961574), (10, 28980787), (11, 26346170), (22, 13173085), (55, 5269234), (97, 2987710), (110, 2634617), (157, 1845910), (173, 1675190), (194, 1493855), (314, 922955), (346, 837595), (485, 597542), (785, 369182), (865, 335038), (970, 298771), (1067, 271610), (1570, 184591), (1727, 167810), (1730, 167519), (1903, 152290), (2134, 135805), (3454, 83905), (3806, 76145), (5335, 54322), (8635, 33562), (9515, 30458), (10670, 27161), (15229, 19030), (16781, 17270)]