2689858840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{9001}}^1$

素因数の和:9284

約数の個数: 64

約数和(自身を含む): 6274033920

約数和(自身を除く): 3584175080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 482, 620, 964, 1205, 1240, 1928, 2410, 4820, 7471, 9001, 9640, 14942, 18002, 29884, 36004, 37355, 45005, 59768, 72008, 74710, 90010, 149420, 180020, 279031, 298840, 360040, 558062, 1116124, 1395155, 2169241, 2232248, 2790310, 4338482, 5580620, 8676964, 10846205, 11161240, 17353928, 21692410, 43384820, 67246471, 86769640, 134492942, 268985884, 336232355, 537971768, 672464710, 1344929420, 2689858840]

約数ペア:

[(1, 2689858840), (2, 1344929420), (4, 672464710), (5, 537971768), (8, 336232355), (10, 268985884), (20, 134492942), (31, 86769640), (40, 67246471), (62, 43384820), (124, 21692410), (155, 17353928), (241, 11161240), (248, 10846205), (310, 8676964), (482, 5580620), (620, 4338482), (964, 2790310), (1205, 2232248), (1240, 2169241), (1928, 1395155), (2410, 1116124), (4820, 558062), (7471, 360040), (9001, 298840), (9640, 279031), (14942, 180020), (18002, 149420), (29884, 90010), (36004, 74710), (37355, 72008), (45005, 59768)]