201449920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:810

約数の個数: 112

約数和(自身を含む): 553029120

約数和(自身を除く): 351579200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 224, 278, 280, 320, 448, 556, 560, 647, 695, 973, 1112, 1120, 1294, 1390, 1946, 2224, 2240, 2588, 2780, 3235, 3892, 4448, 4529, 4865, 5176, 5560, 6470, 7784, 8896, 9058, 9730, 10352, 11120, 12940, 15568, 18116, 19460, 20704, 22240, 22645, 25880, 31136, 36232, 38920, 41408, 44480, 45290, 51760, 62272, 72464, 77840, 89933, 90580, 103520, 144928, 155680, 179866, 181160, 207040, 289856, 311360, 359732, 362320, 449665, 629531, 719464, 724640, 899330, 1259062, 1438928, 1449280, 1798660, 2518124, 2877856, 3147655, 3597320, 5036248, 5755712, 6295310, 7194640, 10072496, 12590620, 14389280, 20144992, 25181240, 28778560, 40289984, 50362480, 100724960, 201449920]

約数ペア:

[(1, 201449920), (2, 100724960), (4, 50362480), (5, 40289984), (7, 28778560), (8, 25181240), (10, 20144992), (14, 14389280), (16, 12590620), (20, 10072496), (28, 7194640), (32, 6295310), (35, 5755712), (40, 5036248), (56, 3597320), (64, 3147655), (70, 2877856), (80, 2518124), (112, 1798660), (139, 1449280), (140, 1438928), (160, 1259062), (224, 899330), (278, 724640), (280, 719464), (320, 629531), (448, 449665), (556, 362320), (560, 359732), (647, 311360), (695, 289856), (973, 207040), (1112, 181160), (1120, 179866), (1294, 155680), (1390, 144928), (1946, 103520), (2224, 90580), (2240, 89933), (2588, 77840), (2780, 72464), (3235, 62272), (3892, 51760), (4448, 45290), (4529, 44480), (4865, 41408), (5176, 38920), (5560, 36232), (6470, 31136), (7784, 25880), (8896, 22645), (9058, 22240), (9730, 20704), (10352, 19460), (11120, 18116), (12940, 15568)]