28279380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 82583424

約数和(自身を除く): 54304044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 97, 113, 129, 172, 194, 215, 226, 258, 291, 339, 388, 430, 452, 485, 516, 565, 582, 645, 678, 860, 970, 1130, 1164, 1290, 1356, 1455, 1695, 1940, 2260, 2580, 2910, 3390, 4171, 4859, 5820, 6780, 8342, 9718, 10961, 12513, 14577, 16684, 19436, 20855, 21922, 24295, 25026, 29154, 32883, 41710, 43844, 48590, 50052, 54805, 58308, 62565, 65766, 72885, 83420, 97180, 109610, 125130, 131532, 145770, 164415, 219220, 250260, 291540, 328830, 471323, 657660, 942646, 1413969, 1885292, 2356615, 2827938, 4713230, 5655876, 7069845, 9426460, 14139690, 28279380]

約数ペア:

[(1, 28279380), (2, 14139690), (3, 9426460), (4, 7069845), (5, 5655876), (6, 4713230), (10, 2827938), (12, 2356615), (15, 1885292), (20, 1413969), (30, 942646), (43, 657660), (60, 471323), (86, 328830), (97, 291540), (113, 250260), (129, 219220), (172, 164415), (194, 145770), (215, 131532), (226, 125130), (258, 109610), (291, 97180), (339, 83420), (388, 72885), (430, 65766), (452, 62565), (485, 58308), (516, 54805), (565, 50052), (582, 48590), (645, 43844), (678, 41710), (860, 32883), (970, 29154), (1130, 25026), (1164, 24295), (1290, 21922), (1356, 20855), (1455, 19436), (1695, 16684), (1940, 14577), (2260, 12513), (2580, 10961), (2910, 9718), (3390, 8342), (4171, 6780), (4859, 5820)]