390897972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 1082145792

約数和(自身を除く): 691247820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 97, 124, 138, 157, 186, 194, 207, 276, 279, 291, 314, 372, 388, 414, 471, 558, 582, 628, 713, 828, 873, 942, 1116, 1164, 1413, 1426, 1746, 1884, 2139, 2231, 2826, 2852, 3007, 3492, 3611, 4278, 4462, 4867, 5652, 6014, 6417, 6693, 7222, 8556, 8924, 9021, 9734, 10833, 12028, 12834, 13386, 14444, 14601, 15229, 18042, 19468, 20079, 21666, 25668, 26772, 27063, 29202, 30458, 32499, 36084, 40158, 43332, 43803, 45687, 54126, 58404, 60916, 64998, 69161, 80316, 87606, 91374, 108252, 111941, 129996, 137061, 138322, 175212, 182748, 207483, 223882, 274122, 276644, 335823, 350267, 414966, 447764, 472099, 548244, 622449, 671646, 700534, 829932, 944198, 1007469, 1050801, 1244898, 1343292, 1401068, 1416297, 1888396, 2014938, 2101602, 2489796, 2832594, 3152403, 4029876, 4203204, 4248891, 5665188, 6304806, 8497782, 10858277, 12609612, 16995564, 21716554, 32574831, 43433108, 65149662, 97724493, 130299324, 195448986, 390897972]

約数ペア:

[(1, 390897972), (2, 195448986), (3, 130299324), (4, 97724493), (6, 65149662), (9, 43433108), (12, 32574831), (18, 21716554), (23, 16995564), (31, 12609612), (36, 10858277), (46, 8497782), (62, 6304806), (69, 5665188), (92, 4248891), (93, 4203204), (97, 4029876), (124, 3152403), (138, 2832594), (157, 2489796), (186, 2101602), (194, 2014938), (207, 1888396), (276, 1416297), (279, 1401068), (291, 1343292), (314, 1244898), (372, 1050801), (388, 1007469), (414, 944198), (471, 829932), (558, 700534), (582, 671646), (628, 622449), (713, 548244), (828, 472099), (873, 447764), (942, 414966), (1116, 350267), (1164, 335823), (1413, 276644), (1426, 274122), (1746, 223882), (1884, 207483), (2139, 182748), (2231, 175212), (2826, 138322), (2852, 137061), (3007, 129996), (3492, 111941), (3611, 108252), (4278, 91374), (4462, 87606), (4867, 80316), (5652, 69161), (6014, 64998), (6417, 60916), (6693, 58404), (7222, 54126), (8556, 45687), (8924, 43803), (9021, 43332), (9734, 40158), (10833, 36084), (12028, 32499), (12834, 30458), (13386, 29202), (14444, 27063), (14601, 26772), (15229, 25668), (18042, 21666), (19468, 20079)]