249585420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3691}}^1$

素因数の和:3740

約数の個数: 144

約数和(自身を含む): 848510208

約数和(自身を除く): 598924788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 3691, 4508, 4830, 5635, 6762, 7382, 9660, 11073, 11270, 13524, 14764, 16905, 18455, 22146, 22540, 25837, 33810, 36910, 44292, 51674, 55365, 67620, 73820, 77511, 84893, 103348, 110730, 129185, 155022, 169786, 180859, 221460, 254679, 258370, 310044, 339572, 361718, 387555, 424465, 509358, 516740, 542577, 594251, 723436, 775110, 848930, 904295, 1018716, 1085154, 1188502, 1273395, 1550220, 1697860, 1782753, 1808590, 2170308, 2377004, 2546790, 2712885, 2971255, 3565506, 3617180, 4159757, 5093580, 5425770, 5942510, 7131012, 8319514, 8913765, 10851540, 11885020, 12479271, 16639028, 17827530, 20798785, 24958542, 35655060, 41597570, 49917084, 62396355, 83195140, 124792710, 249585420]

約数ペア:

[(1, 249585420), (2, 124792710), (3, 83195140), (4, 62396355), (5, 49917084), (6, 41597570), (7, 35655060), (10, 24958542), (12, 20798785), (14, 17827530), (15, 16639028), (20, 12479271), (21, 11885020), (23, 10851540), (28, 8913765), (30, 8319514), (35, 7131012), (42, 5942510), (46, 5425770), (49, 5093580), (60, 4159757), (69, 3617180), (70, 3565506), (84, 2971255), (92, 2712885), (98, 2546790), (105, 2377004), (115, 2170308), (138, 1808590), (140, 1782753), (147, 1697860), (161, 1550220), (196, 1273395), (210, 1188502), (230, 1085154), (245, 1018716), (276, 904295), (294, 848930), (322, 775110), (345, 723436), (420, 594251), (460, 542577), (483, 516740), (490, 509358), (588, 424465), (644, 387555), (690, 361718), (735, 339572), (805, 310044), (966, 258370), (980, 254679), (1127, 221460), (1380, 180859), (1470, 169786), (1610, 155022), (1932, 129185), (2254, 110730), (2415, 103348), (2940, 84893), (3220, 77511), (3381, 73820), (3691, 67620), (4508, 55365), (4830, 51674), (5635, 44292), (6762, 36910), (7382, 33810), (9660, 25837), (11073, 22540), (11270, 22146), (13524, 18455), (14764, 16905)]