188727420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2840

約数の個数: 144

約数和(自身を含む): 641668608

約数和(自身を除く): 452941188

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, 2791, 2940, 3220, 3381, 4508, 4830, 5582, 5635, 6762, 8373, 9660, 11164, 11270, 13524, 13955, 16746, 16905, 19537, 22540, 27910, 33492, 33810, 39074, 41865, 55820, 58611, 64193, 67620, 78148, 83730, 97685, 117222, 128386, 136759, 167460, 192579, 195370, 234444, 256772, 273518, 293055, 320965, 385158, 390740, 410277, 449351, 547036, 586110, 641930, 683795, 770316, 820554, 898702, 962895, 1172220, 1283860, 1348053, 1367590, 1641108, 1797404, 1925790, 2051385, 2246755, 2696106, 2735180, 3145457, 3851580, 4102770, 4493510, 5392212, 6290914, 6740265, 8205540, 8987020, 9436371, 12581828, 13480530, 15727285, 18872742, 26961060, 31454570, 37745484, 47181855, 62909140, 94363710, 188727420]

約数ペア:

[(1, 188727420), (2, 94363710), (3, 62909140), (4, 47181855), (5, 37745484), (6, 31454570), (7, 26961060), (10, 18872742), (12, 15727285), (14, 13480530), (15, 12581828), (20, 9436371), (21, 8987020), (23, 8205540), (28, 6740265), (30, 6290914), (35, 5392212), (42, 4493510), (46, 4102770), (49, 3851580), (60, 3145457), (69, 2735180), (70, 2696106), (84, 2246755), (92, 2051385), (98, 1925790), (105, 1797404), (115, 1641108), (138, 1367590), (140, 1348053), (147, 1283860), (161, 1172220), (196, 962895), (210, 898702), (230, 820554), (245, 770316), (276, 683795), (294, 641930), (322, 586110), (345, 547036), (420, 449351), (460, 410277), (483, 390740), (490, 385158), (588, 320965), (644, 293055), (690, 273518), (735, 256772), (805, 234444), (966, 195370), (980, 192579), (1127, 167460), (1380, 136759), (1470, 128386), (1610, 117222), (1932, 97685), (2254, 83730), (2415, 78148), (2791, 67620), (2940, 64193), (3220, 58611), (3381, 55820), (4508, 41865), (4830, 39074), (5582, 33810), (5635, 33492), (6762, 27910), (8373, 22540), (9660, 19537), (11164, 16905), (11270, 16746), (13524, 13955)]