202555710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 144

約数和(自身を含む): 639583776

約数和(自身を除く): 437028066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 207, 210, 230, 245, 294, 315, 322, 345, 414, 441, 483, 490, 630, 690, 735, 805, 882, 966, 1035, 1127, 1449, 1470, 1610, 1997, 2070, 2205, 2254, 2415, 2898, 3381, 3994, 4410, 4830, 5635, 5991, 6762, 7245, 9985, 10143, 11270, 11982, 13979, 14490, 16905, 17973, 19970, 20286, 27958, 29955, 33810, 35946, 41937, 45931, 50715, 59910, 69895, 83874, 89865, 91862, 97853, 101430, 125811, 137793, 139790, 179730, 195706, 209685, 229655, 251622, 275586, 293559, 321517, 413379, 419370, 459310, 489265, 587118, 629055, 643034, 688965, 826758, 880677, 964551, 978530, 1258110, 1377930, 1467795, 1607585, 1761354, 1929102, 2066895, 2250619, 2893653, 2935590, 3215170, 4133790, 4403385, 4501238, 4822755, 5787306, 6751857, 8806770, 9645510, 11253095, 13503714, 14468265, 20255571, 22506190, 28936530, 33759285, 40511142, 67518570, 101277855, 202555710]

約数ペア:

[(1, 202555710), (2, 101277855), (3, 67518570), (5, 40511142), (6, 33759285), (7, 28936530), (9, 22506190), (10, 20255571), (14, 14468265), (15, 13503714), (18, 11253095), (21, 9645510), (23, 8806770), (30, 6751857), (35, 5787306), (42, 4822755), (45, 4501238), (46, 4403385), (49, 4133790), (63, 3215170), (69, 2935590), (70, 2893653), (90, 2250619), (98, 2066895), (105, 1929102), (115, 1761354), (126, 1607585), (138, 1467795), (147, 1377930), (161, 1258110), (207, 978530), (210, 964551), (230, 880677), (245, 826758), (294, 688965), (315, 643034), (322, 629055), (345, 587118), (414, 489265), (441, 459310), (483, 419370), (490, 413379), (630, 321517), (690, 293559), (735, 275586), (805, 251622), (882, 229655), (966, 209685), (1035, 195706), (1127, 179730), (1449, 139790), (1470, 137793), (1610, 125811), (1997, 101430), (2070, 97853), (2205, 91862), (2254, 89865), (2415, 83874), (2898, 69895), (3381, 59910), (3994, 50715), (4410, 45931), (4830, 41937), (5635, 35946), (5991, 33810), (6762, 29955), (7245, 27958), (9985, 20286), (10143, 19970), (11270, 17973), (11982, 16905), (13979, 14490)]