42920316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 115315200

約数和(自身を除く): 72394884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 262, 342, 393, 479, 524, 684, 786, 958, 1179, 1437, 1572, 1916, 2358, 2489, 2874, 4311, 4716, 4978, 5748, 7467, 8622, 9101, 9956, 14934, 17244, 18202, 22401, 27303, 29868, 36404, 44802, 54606, 62749, 81909, 89604, 109212, 125498, 163818, 188247, 250996, 327636, 376494, 564741, 752988, 1129482, 1192231, 2258964, 2384462, 3576693, 4768924, 7153386, 10730079, 14306772, 21460158, 42920316]

約数ペア:

[(1, 42920316), (2, 21460158), (3, 14306772), (4, 10730079), (6, 7153386), (9, 4768924), (12, 3576693), (18, 2384462), (19, 2258964), (36, 1192231), (38, 1129482), (57, 752988), (76, 564741), (114, 376494), (131, 327636), (171, 250996), (228, 188247), (262, 163818), (342, 125498), (393, 109212), (479, 89604), (524, 81909), (684, 62749), (786, 54606), (958, 44802), (1179, 36404), (1437, 29868), (1572, 27303), (1916, 22401), (2358, 18202), (2489, 17244), (2874, 14934), (4311, 9956), (4716, 9101), (4978, 8622), (5748, 7467)]