237639220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 653159808

約数和(自身を除く): 415520588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 182, 196, 230, 245, 260, 299, 322, 364, 455, 460, 490, 598, 637, 644, 805, 811, 910, 980, 1127, 1196, 1274, 1495, 1610, 1622, 1820, 2093, 2254, 2548, 2990, 3185, 3220, 3244, 4055, 4186, 4508, 5635, 5677, 5980, 6370, 8110, 8372, 10465, 10543, 11270, 11354, 12740, 14651, 16220, 18653, 20930, 21086, 22540, 22708, 28385, 29302, 37306, 39739, 41860, 42172, 52715, 56770, 58604, 73255, 73801, 74612, 79478, 93265, 105430, 113540, 130571, 146510, 147602, 158956, 186530, 198695, 210860, 242489, 261142, 293020, 295204, 369005, 373060, 397390, 484978, 516607, 522284, 652855, 738010, 794780, 913997, 969956, 1033214, 1212445, 1305710, 1476020, 1697423, 1827994, 2066428, 2424890, 2583035, 2611420, 3394846, 3655988, 4569985, 4849780, 5166070, 6789692, 8487115, 9139970, 10332140, 11881961, 16974230, 18279940, 23763922, 33948460, 47527844, 59409805, 118819610, 237639220]

約数ペア:

[(1, 237639220), (2, 118819610), (4, 59409805), (5, 47527844), (7, 33948460), (10, 23763922), (13, 18279940), (14, 16974230), (20, 11881961), (23, 10332140), (26, 9139970), (28, 8487115), (35, 6789692), (46, 5166070), (49, 4849780), (52, 4569985), (65, 3655988), (70, 3394846), (91, 2611420), (92, 2583035), (98, 2424890), (115, 2066428), (130, 1827994), (140, 1697423), (161, 1476020), (182, 1305710), (196, 1212445), (230, 1033214), (245, 969956), (260, 913997), (299, 794780), (322, 738010), (364, 652855), (455, 522284), (460, 516607), (490, 484978), (598, 397390), (637, 373060), (644, 369005), (805, 295204), (811, 293020), (910, 261142), (980, 242489), (1127, 210860), (1196, 198695), (1274, 186530), (1495, 158956), (1610, 147602), (1622, 146510), (1820, 130571), (2093, 113540), (2254, 105430), (2548, 93265), (2990, 79478), (3185, 74612), (3220, 73801), (3244, 73255), (4055, 58604), (4186, 56770), (4508, 52715), (5635, 42172), (5677, 41860), (5980, 39739), (6370, 37306), (8110, 29302), (8372, 28385), (10465, 22708), (10543, 22540), (11270, 21086), (11354, 20930), (12740, 18653), (14651, 16220)]