201255740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 495558000

約数和(自身を除く): 294302260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 685, 959, 980, 1370, 1499, 1918, 2740, 2998, 3836, 4795, 5996, 6713, 7495, 9590, 10493, 13426, 14990, 19180, 20986, 26852, 29980, 33565, 41972, 52465, 67130, 73451, 104930, 134260, 146902, 205363, 209860, 293804, 367255, 410726, 734510, 821452, 1026815, 1437541, 1469020, 2053630, 2875082, 4107260, 5750164, 7187705, 10062787, 14375410, 20125574, 28750820, 40251148, 50313935, 100627870, 201255740]

約数ペア:

[(1, 201255740), (2, 100627870), (4, 50313935), (5, 40251148), (7, 28750820), (10, 20125574), (14, 14375410), (20, 10062787), (28, 7187705), (35, 5750164), (49, 4107260), (70, 2875082), (98, 2053630), (137, 1469020), (140, 1437541), (196, 1026815), (245, 821452), (274, 734510), (490, 410726), (548, 367255), (685, 293804), (959, 209860), (980, 205363), (1370, 146902), (1499, 134260), (1918, 104930), (2740, 73451), (2998, 67130), (3836, 52465), (4795, 41972), (5996, 33565), (6713, 29980), (7495, 26852), (9590, 20986), (10493, 19180), (13426, 14990)]