378143000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 948205440

約数和(自身を除く): 570062440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 46, 50, 82, 92, 100, 115, 125, 164, 184, 200, 205, 230, 250, 328, 401, 410, 460, 500, 575, 802, 820, 920, 943, 1000, 1025, 1150, 1604, 1640, 1886, 2005, 2050, 2300, 2875, 3208, 3772, 4010, 4100, 4600, 4715, 5125, 5750, 7544, 8020, 8200, 9223, 9430, 10025, 10250, 11500, 16040, 16441, 18446, 18860, 20050, 20500, 23000, 23575, 32882, 36892, 37720, 40100, 41000, 46115, 47150, 50125, 65764, 73784, 80200, 82205, 92230, 94300, 100250, 117875, 131528, 164410, 184460, 188600, 200500, 230575, 235750, 328820, 368920, 378143, 401000, 411025, 461150, 471500, 657640, 756286, 822050, 922300, 943000, 1152875, 1512572, 1644100, 1844600, 1890715, 2055125, 2305750, 3025144, 3288200, 3781430, 4110250, 4611500, 7562860, 8220500, 9223000, 9453575, 15125720, 16441000, 18907150, 37814300, 47267875, 75628600, 94535750, 189071500, 378143000]

約数ペア:

[(1, 378143000), (2, 189071500), (4, 94535750), (5, 75628600), (8, 47267875), (10, 37814300), (20, 18907150), (23, 16441000), (25, 15125720), (40, 9453575), (41, 9223000), (46, 8220500), (50, 7562860), (82, 4611500), (92, 4110250), (100, 3781430), (115, 3288200), (125, 3025144), (164, 2305750), (184, 2055125), (200, 1890715), (205, 1844600), (230, 1644100), (250, 1512572), (328, 1152875), (401, 943000), (410, 922300), (460, 822050), (500, 756286), (575, 657640), (802, 471500), (820, 461150), (920, 411025), (943, 401000), (1000, 378143), (1025, 368920), (1150, 328820), (1604, 235750), (1640, 230575), (1886, 200500), (2005, 188600), (2050, 184460), (2300, 164410), (2875, 131528), (3208, 117875), (3772, 100250), (4010, 94300), (4100, 92230), (4600, 82205), (4715, 80200), (5125, 73784), (5750, 65764), (7544, 50125), (8020, 47150), (8200, 46115), (9223, 41000), (9430, 40100), (10025, 37720), (10250, 36892), (11500, 32882), (16040, 23575), (16441, 23000), (18446, 20500), (18860, 20050)]