273629840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2237}}^1$

素因数の和:2400

約数の個数: 80

約数和(自身を含む): 699330240

約数和(自身を除く): 425700400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2237, 2780, 3058, 4474, 5560, 6116, 7645, 8948, 11120, 11185, 12232, 15290, 17896, 22370, 24464, 24607, 30580, 35792, 44740, 49214, 61160, 89480, 98428, 122320, 123035, 178960, 196856, 246070, 310943, 393712, 492140, 621886, 984280, 1243772, 1554715, 1968560, 2487544, 3109430, 3420373, 4975088, 6218860, 6840746, 12437720, 13681492, 17101865, 24875440, 27362984, 34203730, 54725968, 68407460, 136814920, 273629840]

約数ペア:

[(1, 273629840), (2, 136814920), (4, 68407460), (5, 54725968), (8, 34203730), (10, 27362984), (11, 24875440), (16, 17101865), (20, 13681492), (22, 12437720), (40, 6840746), (44, 6218860), (55, 4975088), (80, 3420373), (88, 3109430), (110, 2487544), (139, 1968560), (176, 1554715), (220, 1243772), (278, 984280), (440, 621886), (556, 492140), (695, 393712), (880, 310943), (1112, 246070), (1390, 196856), (1529, 178960), (2224, 123035), (2237, 122320), (2780, 98428), (3058, 89480), (4474, 61160), (5560, 49214), (6116, 44740), (7645, 35792), (8948, 30580), (11120, 24607), (11185, 24464), (12232, 22370), (15290, 17896)]